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kozerog [31]
3 years ago
9

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 17 feet high
Mathematics
2 answers:
nlexa [21]3 years ago
4 0
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 

\frac{DEEP}{HIEGHT} 

Cross multiplication

\frac{3 DEEP}{5 HIEGHT} = \frac{x}{13} 

5x = 2 x 13 

Divide by 5 to isolate x

\frac{5x}{5} = \frac{51}{5} 

x = 10.2 

Answer = 10.2 
Inga [223]3 years ago
4 0
5/3=1.66666... so thats the ratio so 17/ 1.6666666... would equal 10.2 which is your answer.
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