Mystery Math
My friend and I went to the fair. I bought us tickets for $18 each, but I also had a coupon to save $5. How much do the tickets cost me?
$31
5 + 4 = x + 2
x = 7
x + x + 6 = 10
x = 2
5/20
1/4
I just found a bunch of cash in my old bag! Score! There were five $20 bills and four $5 bills. How much money was there altogether?
$120
7 + 1 = x + 5
x = 3
27 = x + x + 7
x = 10
3/12
1/4
9/8 of a pie
which simplifies to 1 1/8 pies
4 + x = 5 + 8
x = 9
3 + x + x = 17
x = 7
12/18
2/3
My car's odometer says it has been driven for a total of 12,356 miles. Last week it said 11,892 miles. How many miles did I drive this week?
464 miles
12 + 34 = x + 20
x = 26
54 = x + x + x + 42
x = 4
30/50
3/5
Over the summer I did chores for 15 days in July and 22 days in August. I earned $10 per day. How much money did I make altogether?
$370
230 + 57 = 90 + x
x = 197
80 = x + x + 20
x = 30
24/100
6/25