Answer:
19
Step-by-step explanation:
Given that for every 4 milkshakes sold we get $15.
⇒ 1 milkshake cost = 15 ÷ 4 = $3.75
So, if they made $71.25 in one hour then the number of milkshakes sold
= 71.25 ÷ 3.75
= 19
✨19 Milkshakes✨
I got the answer 18.79
I believe this is correct, Please tell me if im wrong. :)
$28
40% of 20 is 8
20 + 8 = 28
