That means that head was the most one to appear than tails
77.5d + .14m
m = 425
.14 * 425 = 59.5
77.5d + 59.5 ≤ 230
77.5d ≤ 170.5
d ≤ 170.5/77.5
d ≤ 2.2
if they only take payment for whole days, he has 2 whole days
<u>Answer:</u>

<u>Step-by-step explanation:</u>
To find the solution to the equation, we have to rearrange the equation to make
the subject:

⇒
[Subtracting 2 from both sides]
⇒ 
⇒
[Subtracting
from each side]
⇒ 
⇒
[Diving both sides by 213]
⇒ 
A. -5 i think it is the right answer