holly92
holly92
28-10-2019
Mathematics
contestada
9. If y = 30 when x = 7, find x when y = 12.
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jujudime
jujudime
28-10-2019
I have my work at the bottom but to explain you have to divide 30/12, and I got 2.5. That means 30 is 2.5 times bigger than 12. Because we have to find x, we have to divide 7/2.5, to find what is 2.5 times smaller than 7. That’s 2.8. So, x= 2.8
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