18 is close to 20
20 * 2 is 40 so need more than 2
so try 3 first 18*3 = 54
Billy is paid 18¢ each time he cleans his room. He needs 45¢ for a snack. About how many times does he need to clean his room to be able to buy the snack?
A. about 9 times
B. about 7 times
C. about 3 times
3 answers
Is it C?
Sure looks like we need 3 all right.