137hahahahacan this be a free.
Dividing by a half is the same as multiplying by two. 3/4 multiplied by 2 is

or, in improper fraction form

or, in decimal form, 1.5
Set up an algebraic equation: b=cost of ball
1.10=1+b+b
1.10=1+2b
subtract 1 from both sides
.10=2b
divide by 2 on both sides
ball=5 cents
Answer:
you can do a trial and improvement
Step-by-step explanation:
Answer
23 computer
Step-by-step explanation:
if he sold 20 computers he would make 2100 which then he would need 240 more dollars to reach his goal and to find the answer you would then divide 240 by 80.