One- and Two-Step Equations
Solve:
5x = 125
x = 45
3t +7 = -8
t = -5
Proportional?
9/11 and 81/99
Yes
Orginal: 78
New: 125
60%
1 Hour -> ? Seconds
3600 s
g + 5 = 33
g = 28
1 + 9/r = 4
r = 27
Proportional?
4/3 and 6/8
No
Final Price?
$22.50
Tax: 7.5%
$24.19
15 gallons -> pints
120 Pints
k/3 + 4 = -16
k = -60
15/35 = g/7
g = 3
Discount: 25%
$17.21
33 MPH -> Feet per Minute
2904 ftpm
3 + g = 1/4
g = -2 3/4
-6m - 8 = 24
m = -5 1/3
8/13 = v/21
v = 12.92
Orig: $60
Discount: 25%
Tax: 6.75%
$48.04
4 m/s -> mm/min
66 2/3 mm/min
-5x - 4.8 = 6.7
x = -2.3
7/(x+9) = 21/31
x = 3
Sweater: $14.99
Discount: 12%
Tax: 6.25%
$14.02
83 mph -> m/s
37.10432