Answer:
170
Step-by-step explanation:

If a number, x, is increased by 40 (+40) and is now equal to 210 (=210), then the number, x, is equal to 170.
Answer:
C: 44
Step-by-step explanation:
Answer:
0.5l+0.2s
Step-by-step explanation:
0.10x5<em>l</em> equals 0.5<em>l</em>
0.10x2<em>s</em> equals 0.2<em>s</em>
So it would be
40-.07(40)=b
B=37.2 dollars