Question

Which number can replace the variable to make these fractions equivalent?

n/7 = 54/42

A.
4

B.
6

C.
8

D.
9

Answer 1

multiply both sides by 7

Answer 2

so 7*7=49

Answer 3

what is n/7 x 7

Answer 4

n/49

Answer 5

nope

Answer 6

ignore the n.
1/7 x 7

Answer 7

1

Answer 8

correct, now put the n back

Answer 9

1 x n?

Answer 10

7 ?

Answer 11

huh? 1 x n is just n

Answer 12

The whole point of this is just to find what n equals

Answer 13

oh yeah I forgot that

Answer 14

now what we do to one side of the equation we do to the other

Answer 15

multiply?

Answer 16

so we have
n = (54/42) x 7

Answer 17

what does n equal?

Answer 18

9 and 9=D

Answer 19

correct

Answer 20

thx

Answer 21

np