What two multiples of ten is the quotient 510 divided by 7 between?

and

30 and 40

Step-by-step explanation:

30 and 40

if x decreases by 4 then y increases by 10

step-by-step explanation:

maximum area = xy = (16)(32) = 512 ft2

to maximize the area of the garden, the side of the fence parallel to the side of the house should be 32 ft long, and the other two sides should both have length 16 ft.'

source