SOLUTION: Angela can shovel the snow from her driveway in 3 hours. When Franklin joins her, the driveway can be finished in just 48 minutes. How long would it take Franklin to shovel the dr

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Angela can shovel the snow from her driveway in 3 hours. When Franklin joins her, the driveway can be finished in just 48 minutes. How long would it take Franklin to shovel the dr      Log On


   

Question 1174521: Angela can shovel the snow from her driveway in 3 hours. When Franklin joins her, the driveway can be finished in just 48 minutes.
How long would it take Franklin to shovel the driveway alone?
a) Let m = the number of minutes to complete the job. Write the equation you would use to solve this problem.
Answer by josgarithmetic(39627) About Me  (Show Source):
You can put this solution on YOUR website!
Angela, 1 job in 3 hours, 1%2F3
Franklin+Angela, 1%2F%2848%2F60%29=60%2F48=30%2F24=15%2F12=5%2F4, JOBS/HOURS


1%2F3%2B1%2Fh=5%2F4
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12%281%2F3%2B1%2Fh%29=12%285%2F4%29
4%2B12%2Fh=15
12%2Fh=11
h%2F12=1%2F11
h=12%2F11
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m=%2812%2F11%29%2A60
about 65.5 minutes, Franklin by himself