Question

The expression 20l + 25g - 10, gives the number of dollars that Josie makes from mowing l lawns and raking g gardens. How many dollars does Josie make from raking 4 gardens and mowing 3 lawns?

Answer 1

Josie makes $150 from raking 4 gardens and mowing 3 lawns.

 

Given:

Expression: 20l + 25g - 10

l = 3

g= 4

20(3) + 25(4) -10  

60 + 100 - 10

160 - 10 = 150

Answer 2

20 • 3=60, 25 • 4=100. 60+100=160. 160-10=150. Josie makes $150.