Estelle is making 30 pounds of fruit salad from strawberries and blueberries. strawberries cost $1.80 per pound, and blueberries cost $4.50 per pound. if estelle wants the fruit salad to cost her $2.52 per pound, how many pounds of each berry should she use?

  The answer is 22 pounds of Strawberries and 8 pounds of blueberries.

Step-by-step explanation: Let, Estelle should 'x' pounds of Strawberries and 'y' pounds of Blueberries in the fruit salad. Then according to the question, we have

Also, Strawberries cost $1.80per pound and Blueberries cost $4.50per pound, so we can write

From the first equation, we get

Therefore, taking the difference of the above two equations, we have

and

Thus, Estelle should use 22 pounds of Strawberries and 8 pounds of Blueberries in the fruit salad.

a is the right answer

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm