Q72.

Question

MONEY Destiny earns \( 8 per hour babysitting and \) 15 for each lawn she mows. Write an expression to show the amount of money she earns babysitting h hours and mowing m lawns.

Step-by-Step Solution

Verified
Answer

Money earned by babysitting h hours and mowing m lawns is $(8h+15m).

1Step 1 –Finding total number of events

If $ a is earned for working each unit of time or events, then the total money earned in n units of time or number of events is $(a×n).

2Step 2 – Example of finding total cost

If $ 5 be the cost of one book, then the total cost of 10 books will be 

$(5×10)=$50

3Step 3 - DESCRIPTION OF STEP

$ 8 per hour is earned for babysitting. Therefore, money earned from h hours of babysitting is $ 8h

$ 15 for mowing each lawn is earned. Therefore, money earned from mowing m lawns will is $ 15m

Hence, the total earning is $ (8h+15m).