Spot bullds dog houses. He needs 10 wooden boards and 15 nails to build a small dog house; and, he uses 18 boards and 45 nails for a large dog house. Spot makes a $40 profit on every small dog house and $52 profit on every large dog house. If he has 60 wooden boards and 135 nails, how many of each type of dog house should he make to maximize profit?

cosine

step-by-step explanation:

1k

step-by-step explanation:

-6k+7k

(-6+7)k

1k

if y=4x then you will substitute 4x in for y in the second equation.

8x + 4x = 18 combine like terms

12x = 18 divide by 12 on both sides

x = 18/12 or 3/2

now replace x in the first equation with 3/2 to get

y = 4 3/2

y = 6

the answer is a

(3/2,6)

hope that .

brainliest is always apprectiated