Work in the rates / minute
wilma:- in 120 minutes she mows 1 lawn
so in 1 minute she mows 1/120 lawn
similarly, Rock mows 1/80 lawn in 1 minute
working together 1/120 + 1/80 = 1/x where x is number of minutes working together
1/20 + 1/80 = 1/48
so 1/x = 1/48
x = 48
answer is 48 minutes
Answer: 15
Step-by-step explanation:
If the answer is above 1/2 inch round it to 1 inch, if it is below 1/2 inch round it to 0, or the nearest number below it....hope it helps
48 has the following 10 factors: <span>1, 2, 3, 4, 6, 8, 12, 16, 24, 48
Of these, 1,2 and 3 are primes. The other 7 are not primes.</span>