Answer:
-8x+24=-32 distributive property
-8x+24+(-24)=-32+(-24) addition property of equality
-8x+0=-56 property of opposites, or, additive inverses (a number plus its opposite equals zero); also, for the right-hand side its the definition of addition of two negative integers
-8x=-56 additive identity property, or, additive property of zero (any number plus zero equals that number)
(-1/8)(-8x)=(-1/8)(-56) multiplication property of equality
1x=7 multiplicative inverse property for the left side (a*[1/a]=1 and definition of multiplication of numbers for the right side
x=7 multiplicative identity property (1*a=a and 1x=x)
Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram
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