Question

Jennifer used 2/7 of a meter of ribbon to make bows for her cousins. Now, she has 10/21 of a meter of ribbon left How much ribbon did Jennifer start with?

Answer 1

she uses 2/7 of a meter of ribbon to make bows for her cousins.

she has 10/21 of a meter of the ribbon left.

The amount of ribbon she started with can be calculated below

let

the amount she started with = x

Therefore,

`\begin{gathered} x-(2)/(7)=(10)/(21) \\ x=(10)/(21)+(2)/(7) \\ x=(10+6)/(21) \\ x=(16)/(21) \\ \end{gathered}`

Do you