Question

Match the following equation to the correct situation.

30%(b - 19) = 30%b - 5.7
The amount of chili eaten from 30% of 5.7 less than b bowls.

The number of cups of coffee thrown away by 30% of b senators during 5.7 speeches.

Last month's electricity bill was 5.7 kW-h less than 30% of this month's bill.

The number of songs available for download from 30% of b artists.
please help me i really need it