Solve problem below It costs $3.45 to buy 3/4 lb of chopped walnuts. How much would it cost to purchase 7.5 Ibs of walnuts? Show your reasoning (optional)

The cost of the 7.5 lbs of walnuts be $2.16 .

step by step As given

It costs $3.45 to buy  lb of chopped walnuts.

i.e

Now calculate the cost of one pound .

Now calculated the cost of the 7.5 lbs of walnuts .

Cost of 7.5 lbs of walnuts = 7.5 × 0.2875

                                          = $2.16 (Approx)

Therefore the cost of the 7.5 lbs of walnuts be $2.16 .

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180

ok

step-by-step explanation: