solving equations using multiplication or division
multi-step equations
ratios and proportions
formulas and weighted averages
100
7/10 - a = 1/2
What is 1/5?
100
c /-59 = -7
What is 413?
100
6(y - 5)= 18 - 2y
What is 6?
100
x/9 = 0.24/3
What is .72?
100
2bx - b = -5
What is (-5+ b)/2b?
200
f- (-1/8) = 3/10
What is 7/40?
200
z /6 = -5/12
What is -5/2?
200
2.85y - 7 = 12.85y - 2
What is -0.5?
200
(6p - 2)/7 = (5p + 7)/8
What is 5?
200
solve for x.
(ax + 1)/2 = b
What is (2b - 1)/a?
300
c + 5.4 = -11.33
What is -16.73?
300
0.0022b = 0.1958
What is 89?
300
0.4(x - 12) = 1.2 (x - 4)
What is 0?
300
(4n + 5)/5 = (2n + 7)/7
What is 0?
300
3x - r = r(-3 + x)
What is -2r/(3 - r)?
400
x + 3/8 = 1/4
What is -1/8?
400
15 3/8 =-5p
What is -3 3/40?
400
3(x + 1) - 5 = 3x - 2
What is all real numbers?
400
Find the percent of change.
original: 35mph
new: 65mph
What is 86% increase?
400
Jason is mixing peanuts and chocolate pieces. Peanuts sell for $4.50 a pound and the chocolate sells for $6.50 a pound. How many pounds of chocolates should he mix with 5 pounds of peanuts to obtain a mixture that sells for $5.25 a pound?
What is 3 pounds?
500
t - (-46.1) = -3.673
What is -49.773?
500
-18 1/4 = 2.5x
What is -7.3?
500
(6v - 9) / 3 = v
What is 3?
500
Find the final price.
backpack: $28.95
discount: 10%
sales tax: 5%
What $27.36?
500
Missoula and Bozeman are 210 miles apart. Sheila leaves Missoula for Bozeman and averages 55 miles per hour. At the same time, Casey leaves Boseman and averages 65 miles per hour as he drives to Missoula. How long before they meet?