SOLUTION: 1. It takes Frank 2 hours to mow his lawn, but it only takes
his dad 5 minutes to mow it. Find (in hours) how much longer it takes Frank to mow the yard than it takes his dad.
Algebra ->
Rate-of-work-word-problems
-> SOLUTION: 1. It takes Frank 2 hours to mow his lawn, but it only takes
his dad 5 minutes to mow it. Find (in hours) how much longer it takes Frank to mow the yard than it takes his dad.
Log On
Question 591641: 1. It takes Frank 2 hours to mow his lawn, but it only takes
his dad 5 minutes to mow it. Find (in hours) how much longer it takes Frank to mow the yard than it takes his dad.
You can put this solution on YOUR website! It takes Frank 2 hours to mow his lawn, but it only takes
his dad 5 minutes to mow it. Find (in hours) how much longer it takes Frank to mow the yard than it takes his dad
.
convert 5 minutes into hours:
5 * 1/60 = 5/60 = 1/12
.
Dad's rate = 1 lawn per 1/12 hours
Frank's rate = 1 lawn per 2 hours
.
2 - 1/12
24/12 - 1/12
(24-1)/12
23/12 hours (answer)
.
That is, Frank takes 23/12 hours longer than his dad to mow the yard
