math
posted by Taylor .
mr. callaway needs to purchase enough grass seed to cover a 3000 square foot lawn and a 4200 square foot lawn. if 40 ounces of grass seed will seed a 2400 square foot lawn how many ounces does he need to seed both lawns

2400/40 = 60 ounces per square foot
Multiply:
60 * 3,000 = ?
60 * 4,200 = ?
Add the two products. 
the answers are a(20
b(30
c(120
d(180 
I made a major stupid booboo! Forget what I posted above.
1 ounce will seed 60 square feet.
3,000 / 60 = 50 ounces
4,200 / 60 = 70 ounces
50 + 70 = 120 ounces
The answer is c.
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