A city known for its temperature extremes started the day at -5 degrees Fahrenheit. The temperature increased by 78 degrees Fahr
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Answer: We should order 40 dining room tables type “A” and 90 dining room tables type “B” if we want to minimize our cost.
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Jack was planting a tree. He was to dig a hole that was 3 feet deep for every 5 feet of tree height. How deep should he dig the hole for a tree that is 17feet high.
Calculations
Cross multiplication
= 
5x = 2 x 13
Divide by 5 to isolate x
= 
x = 10.2
Answer = 10.2
Calculations
Cross multiplication
5x = 2 x 13
Divide by 5 to isolate x
x = 10.2
Answer = 10.2