At a cupcake shop they make three chocolate cupcakes for every four vanilla cupcakes if they make 270 chocolate cupcakes how many vanilla cupcakes will they make?

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x

5

step-by-step explanation:

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.

add 8+12 to get a simplified answer of 12r-20