All you have to do is the amount she bought divided by 0.05 and then add the answer you get to the amount she bought each time
Answer:
x=26
Step-by-step explanation:
3x +12 =90
subtract 12 from each side
3x=78
divide 3 from each side
x=26
Answer:
$42
Step-by-step explanation:
It's $42 because 11+44.50 is 54.50 and then you take out 6.25 twice because it's her and one friend to get 42 dollars. Hope this helps!