1.1: Rates, Ratios, and Proportions
What is the ratio of boys to girls in this room?
(Remember to simplify!)
What is the formula for percent of change?
What is percent times base equals number?
(-10)(10)(-5) = ?
What is 500?
Solve for x:
8x = 20
What is 2.5?
What is 2^3 × 2^4 simplified?
What is 2^7?
If 5 cookies costs $12, how much does 7 cookies cost?
What is $16.80?
Convert 75% to a decimal and a fraction.
What is .75 and 3/4?
-23 + 74 = ?
What is 51?
If 3x−4=2x+5, what is the value of x?
What is 9?
Simplify x^7/x^-3
What is x^10?
At a farm there are 42 cows, 38 chickens, and 10 horses. What is percentage of horses on the farm? Round to the nearest whole number.
What is 11%?
At a farm there are 42 cows, 38 chickens, and 10 horses. What is percentage of horses on the farm? Round to the nearest whole number.
What is 11%?
2 + (-12) divided by (-8 +12)
What is -1?
If y=3 and z=-4, evaluate the following expression: y-3z
What is 15?
Simplify (2x^4)(3x^2)(4x^5).
What is 24x^11?
Alaska and California each have eight national parks. What percent of the 56 US national parks are located in Alaska? Round to the nearest whole percent.
What is 14%?
Convert 62.5% to a decimal and a fraction.
What is .625 and 5/8?
[4+(-8)] divided by 2 - (3-7)
What is 2?
Solve for x: (3x)/5 =-6
What is -10?
What is 4x^3?
A train travels 240 miles in 4 hours and then continues for another 150 miles at the same speed. What is the train's average speed for the entire trip in miles per hour?
What is 60 miles per hour?
A dress is marked down from $40 to $32. What is the percent decrease in price?
What is 20%?
In football, a first down requires advancing the ball 10 yd up the field. The Owls ran the ball for a gain of 8 yd, took a loss of 2 yd, and then gained 5 yd. Did they get a first down?
What is yes?
If 3x+5=2(x−4)+3, what is the value of x?
What is -10?
Express [(x^-3)(y^2)(z^5)]/[(y^5)(z^-2)] using only positive exponents.
What is (z^7)/[(x^3)(y^3)]?