i know the answer its b but how i explain
212 to x and 7 to 10
a.24
b.30
c.40
5 answers
212 is wrong its supposed to be 21
Explain it the same way we showed you a few minutes ago.
okay im explain tell me if im doing it wright
ms.sue
21/x = 7/10 ?
multiply both sides by 10 x
21 * (10 * x)/x = 7 * (10 * x)/10
210 = 7 x
x = 210/7
multiply both sides by 10 x
21 * (10 * x)/x = 7 * (10 * x)/10
210 = 7 x
x = 210/7