When the product of 15 and 40 is divided by the sum of 15 and 45, what is the quotient?
It is: (45-40)/40 times 100 = 12.5% increase
Using multiplication 40 times 45 = 1800
5
0.2
0.025
When the product of 15 and 40 is divided by the sum of 15 and 45, what is the quotient?
45 divided by 40 percent = 112.5
2.8889
The front end estimate is 40 or 50, depending on which way the other term is being estimated.
0.4
9
18 divided by 45 = 0.40 therefore 0.40 x 100 = 40% so: 40% of 45 = 0.40 x 45 = 18
It is: (45-40)/40 times 100 = 12.5% increase
Using multiplication 40 times 45 = 1800
45/9 = 5
2.28