Eighty ounces of Lazy Lawn fertilizer covers 1,250 square feet of lawn. a. How many ounces would be required to cover a 4,000-square-foot lawn? b. If Lazy Lawn costs $1.19 for a 32-ounce bag, what is the total cost to fertilize the lawn?

Question

Eighty ounces of Lazy Lawn fertilizer covers 1,250 square feet of lawn.  a. How many ounces would be required to cover a 4,000-square-foot lawn? b. If Lazy Lawn costs $1.19 for a 32-ounce bag, what is the total cost to fertilize the lawn?

anonymous · Answer

It's a proportion. 80/1250=x/4000
x = (4000*80)/(1250) = 256

anonymous · Answer

Salim sells fax machines that come in Standard and Enhanced models. The Standard model sells for $325 and the Enhanced model sells for $385. If Salim sold a total of 35 units and took in $12,575, how many of the Enhanced model did he sell?

anonymous · Answer

Sx+Ey=12575
x+y=35

Here's a starting point. No full answers this time.