The answer is in the image
y=2x+15
where y=Value of coin
x=Age in years
Value of coin after 19 years=2*19+15
=$53
Therefore, Value after 19 years=$53
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.
Cost before sale tax=$46.00
Cost after including tax=$48.76
Sale tax=$48.76-46.00
=$2.76
we know,
sale tax=((sales tax rate)/100) * cost before sale tax
2.76=((sales tax rate)/100) *46.00
sale tax rate=(2.76*100)/46
=276/46
=6%
There fore sales tax rate=6%
(1 or 7) ; number of possible outcome = 2
(a, e, i, o, or u) ; number of possible outcome = 5
So,
Number of possible outcomes = 2 x 5
Number of possible outcome =10
Total fabric purchased = 1 1/4 = 5/4
Fabric used = 3/4
Fabric left = 5/4 - 3/4
= 2/4
=1/2 yard
Cost of tacos =$5.50
Cost of chips and salsa = $3.99
Total cost = 5.50 +3.99
=$9.49
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