Question

By what rational number should -9/35 be multiplied to get -20/7?​

Answer 1

done hope it helps you

Answer 2

Step-by-step explanation:

As we know that

SP=CP+gain

Given 6 times CP is equal to 5 times SP

⟹6CP=5SP

⟹6CP=5(CP+gain)

⟹6CP=5CP+5gain

⟹CP=5 gain

⟹gain=51×CP=10020×CP

Gain percent is 20%