Answer:
Step-by-step explanation:
let x = the amount of money in the second piggy back
We assume that the second piggy bank has MORE than the piggy bank with $7.31 in it:
x - 7.31 ≤ 10
<u>Solution</u>
Add 7.31 to both sides: x - 7.31 + 7.31 ≤ 10 + 7.31
⇒ x ≤ 17.31
<span>A.This could easily happen with a fair coin after only 5 flips</span>
It's C I'm pretty sure and this in English not math
Well, using a+b=c , it would mean that 12+b=35. therefore b would equal 23 if that’s what you’re looking for