Fractions and Decimals
1/4 + 3/4
= 1
-8 + 5
= -3
Write as a simplified ratio
42:52
21:26
Express 12% as a decimal and simplified fraction.
= .12 and 3/25
Solve for x:
9x = 72
x = 8
Convert to a simplified fraction: .35
7/20
= -57
I made $35,622 over the span of 6 months. On average, how much did I make per month?
=$5,937 per month
20% of $56
=$11.20
Solve for y:
32 - 4y = 4
y = 7
8.6 x 5.3
45.58
Every 2 hours the temperature increases 8 degrees. If the temperature is -4 degrees at 11 am, what will it be at 5 pm?
= +20 degrees
Write as a simplified ratio 36:16:12
= 9:4:3
43% of $128
= $55.04
Simplify the following expression:
14x + 5y - 4x2 - 2y + 6x2 - 7x
= 7x + 3y + 2x2
7 1/2 + 8 5/12
= 15 11/12
-81 + 72 + 5(6) =
= 3
Find the average of the following test scores:
79, 88, 92, 99
=89.5
If I paid $45.90 for a dinner and wanted to leave a 20% tip, how much would I pay in total?
=$55.08
Solve the equation given b = 12
4b - (3b - 6) + 2 =
= 20
21.57 - (3.2 x 2.5)
= 13.57
42 + 63 + 54
= 857
Find the average:
5.7, 9.8, 4.6, 3.2, 4.6
= 5.58
32% of the number is 88. What is the number?
The number is 275
Solve the equation given that x=7
8x + (21 - x) =
=70