7. Answer= $26.28
So we know that 5 cans = $10.95
Then you can find what 1 can equals using this equation:
Price / can = price per can 10.95/5=2.19
Now you multiply that by twelve ( think of it like 1 can=$2.19 )
2.19*12=26.28
8. Answer= 119/22
So we know that 11 in. length = 8.5 in. width and that the length of the new paper is 7 in.
Now you divide 11/7 (because 11 divided by 7 is 11/7) by 8.5 because your scaling down. (Or you can multiply it by 7/11
8.5*7/11= 119/22
9. Answer = 7.5
In the triangle you have sides with lengths of 8, 8, and 5.
Now you divide 12 by 8 and then multiply that quotient by 5.
12/8 * 5 = 7.5
Hope this helps :)
