What value should go in the empty boxes to complete the calculation for finding the product of
2 answers:
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Answer:
100
Step-by-step explanation:
In this problem 10 represents 9% of a number. So, to find 90% you must multiply 10 by 10. You do this because 9% times 10 equals 90%; therefore, 100 must be 90%.
This can also be proven through cross multiplication. To set up a proportion put the percent over the number like, . Then cross multiply to get the equation,
. Finally, divide both sides to get x=100.