A.
After h hours Cary makes 5h dollars so after paying mom has
5h - 6
dollars left.
B.
When h=3 then 5h-6=5(3)-6=15-6=9
Cary will have $9 left
Is there options just wondering
Metimes we do not always need to give detailed answers to problems - we just want a rough idea. When we are faced with a long number, we could round it off to the nearest thousand, or nearest million. And when we get a long decimal answer on a calculator, we could round it off to a certain number of decimal places.<span>Another method of giving an approximated answer is to round off using significant figures.</span>
Multiplication, hope I could help!
This problem can be simplified by remembering that since
, we have
. Then we have
.
