Rates
If a car travels 60 miles in 2 hours, what is its speed in miles per hour?
30m/h
30% of 50
15
Solve : x + 4 > 7
x > 3
What is the 85th term if the expression is 4n-1
339
-5 + 8
3
A faucet leaks 6 liters of water in 3 hours. How many liters per hour does it leak?
2 L/h
Convert 3/8 into a percentage
37.5%
Solve: 3x + 2 < 11
x < 3
Expand the expression
5(4n + 6y + 9x)
20n + 30y + 45x
-4 x 6
-24
A cyclist travels 45 kilometers in 3 hours. What is their speed in kilometers per hour?
15km/h.
A jacket originally costs $120 but is on sale for 20% off. What is the sale price?
96 dollars
Solve: −2x + 4 ≥ 10
x ≤ − 3
4x + 2 =3x + 8.
x = 6
(−3)^2-7
2
A car travels 300 miles in 5 hours. What is the rate in miles per minute?
1 mile/min
The price of a laptop increases from $800 to $1,000. What is the percentage increase?
25%.
Solve: 5x − 2≥ 3x + 6
x ≥ 4
3(x+4) − 2(x−3)
x + 18
(-2)^3 + 4 x (-1)
-12
A machine produces 120 widgets in 8 hours. How many widgets per minute does it produce?
o.25/min
A car is valued at $15,000 and depreciates by 12% each year. What is its value after one year?
13,200 dollars
2(x−1) < x + 5
x < 7
5(x−2) = 3(x+4)
x=11
-36 ÷ 9 + (-5)
-9