Forty percent of the cost of a mattress is the same as one-half the cost of the mattress decreased by $30. What is the cost of the mattress? A.$350
B.$200
C.$400
D.$300

s

Step-by-step explanation:

Its 200

Step-by-step explanation: because if 40 percent of a is the same as one half.

6,250

step-by-step explanation:

to get the area, multiply 360 by 160.(57,600)

to find out how many bags of fertilizer it will take, first figure out how many square feet one bag can hold. divide 1000 by 8(125) to get the unit rate(how many square feet one pound of fertilizer can hold)and multiply it by 50(6250). if i haven't made a mistake, that is the answer.