10.07.2022

Which of the following sentences correctly uses words or numerals express numbers? Margaret grew up in the 40's. The meeting starts at one o'clock. 525 people came to see the play this evening . We have two hundred and twenty four employees .

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StudenGPT
Step-by-step answer
P Answered by Studen AI
The sentence that correctly uses words or numerals to express numbers is "525 people came to see the play this evening."

In English writing, there are certain rules for expressing numbers. Let's analyze each sentence to understand why the other options are incorrect:

1. "Margaret grew up in the 40’s."

This sentence is incorrect because it uses an apostrophe incorrectly to indicate a plural. The apostrophe is used to show possession or contraction, not to indicate a plural. To express the numbers in the 1940s, it should be written as "Margaret grew up in the 40s" without the apostrophe.

2. "We have two hundred and twenty-four employees."

This sentence is incorrect because it includes both words and numerals to express a number. Using both forms is unnecessary and can be confusing. It is better to choose one form consistently. To express the number of employees, it should be written as "We have 224 employees" using numerals alone.

3. "The meeting starts at one o’clock."

This sentence is also incorrect. While it correctly uses numerals for the number one, it should be written as "one o'clock" instead of "one o’clock." The letter "o" is used instead of zero to indicate the exact hour, while the word "clock" is used to specify time.

Therefore, the sentence "525 people came to see the play this evening" is the correct option because it expresses the number using numerals, which is appropriate for indicating quantities.
Mathematics
Step-by-step answer
P Answered by PhD

Cost of 7 gallons=$24.50

Cost of 1 gallon=24.50/7=3.5

Cost of 15 gallons=15*3.5=52.5

Cost of 15 gallons will be $52.5

Mathematics
Step-by-step answer
P Answered by PhD

The answer is in the image 

The answer is in the image 
Mathematics
Step-by-step answer
P Answered by PhD

For every 8 cars there are 7 trucks

Therefore,

Cars:Truck=8:7

Answer is B)8:7

Mathematics
Step-by-step answer
P Answered by PhD

Speed=Distance/time

Here,

distance=15m

time=1sec

speed=15/1=15m/sec

Distance=Speed*time

time=15min=15*60sec=900sec

Distance travelled in 15 min=15*900=13,500m

=13500/1000 km=13.5Km

Mathematics
Step-by-step answer
P Answered by PhD

The wood before starting =12 feet

Left wood=6 feet

Wood used till now=12-6=6 feet

Picture frame built till now= 6/(3/4)

=8 pieces

Therefore, till now 8 pieces have been made.

Mathematics
Step-by-step answer
P Answered by PhD

The wood before starting =12 feet

Left wood=6 feet

Wood used till now=12-6=6 feet

Picture frame built till now= 6/(3/4)

=8 pieces

Therefore, till now 8 pieces have been made.

Mathematics
Step-by-step answer
P Answered by PhD

The answer is in the image 

The answer is in the image 
Mathematics
Step-by-step answer
P Answered by PhD

Area of rectangle= L*b

here,

L=12.4 cm

b= 8.8 cm

A= L*b

= 12.4 * 8.8 = 109.12 cm^2

Mathematics
Step-by-step answer
P Answered by PhD

Let the father's age be x and son's be y

10 years before-

Father age=x-10

sons age=y-10

Given,

x-10=10(y-10)

x-10=10y-100

Given present age of father=40

therefore,

x=40

40-10=10y-100

10y-100=30

10y=130

y=130/10

y=13

Therefore present age of son=13years

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