Question

Zachary used the calculations shown to find how much he would spend on 16 ounces of pistachios.

6 ounces of pistachios cost $7.50
StartFraction 7 dollars and 50 cents Over 6 ounces EndFraction = StartFraction dollar-sign question mark Over 1 ounce EndFraction
Unit price = $0.80 per ounce
(16 ounces) (StartFraction 80 cents Over 1 ounce EndFraction) = 12 dollars and 80 cents

What was his first error?

Answer 1

Answer: B

Step-by-step explanation: The price per ounce should have been $1.25 per ounce.

I hope this helps! °ω°

Answer 2

He made a math error

Explanation:

6 ounces of pistachios cost $7.50

take 7.50 / 6=1.25 per ounce ( not .80 per ounce)

Then 1.26 * 16 = 20.00 for 16 ounces