b.) 62 is 1/10th of 620
d.) 8.9 is 1/10th of 89
f.) 7.1 is 10 times smaller than 71
How I solved them:
I'm using the variable x for all of these equations, in which x is the number we need to find.
1/10 * x = 62 (Since 1/10th of a certain number, x, is 62)
x/10 = 62 (Simplifying)
Multiply both sides by 10 to cancel out the fraction:
x = 620
The same equation is used for d.
x/10 = 8.9
x = 89
It's a bit different for f, now the equation is:
x/10 = 7.1(Since x is 10 times larger than 7.1)
x = 71
Good luck!
