Ratios and Rates
Steve has 18 blue marbles and 27 red marbles in a bag. What is the ratio of red marbles to blue marbles?
What is 3/2 or 3:2 or 3 to 2
What is the value of the expression:
24 + 2 x 5
What is 34
Aaron's wrestling coach placed him in the lowest weight class. All the wrestlers in this weight class weigh are less than 70 pounds. If w stands for Aaron's weight, write an inequality that BEST represents his current weight.
What is w < 70
What is the least common multiple of 8 and 12?
What is 24
A pet store has 16 turtles and 40 birds. What is the ratio of turtles to birds written as a fraction in simplest form?
What is 2/5 or 2:5 or 2 to 5
Simplify the expression:
2( 3x + 1 ) + 7
What is 6x + 9
Order the following bank accounts from least to greatest.
Account A: $76
Account B: $2
Account C: -$21
Account C, Account B, Account A
Drew rode his bicycle 3 miles in 30 minutes. What is his average speed, expressed as a unit rate?
What is .1 miles/ 1 minutes
Daniel is saving money to go to summer camp. He had $43.25 and then added all of his allowance for the month. He has $60.25 after adding his allowance. Write and solve an equation to determine how much allowance, x, Daniel received.
What is $43.25 + x= $60.25 x= $17.00
Two vertices for a rectangle are A ( -3, 3) and D ( 4, -2 ) What are the coordinates of the other two vertices of the rectangle?
What is ( 4, 3 ) and ( -3 , -2 )
It took Sergio 2 hours to read 5 chapters of a book. If he continues reading at a constant rate and the chapters are similar in length, how many hours will it take Sergio to complete the entire book if it is 6 chapters long?
What is 2.4 hours
Marvin has a rock collection that is 1/17 the size of Jenna's rock collection. Marvin has 28 rocks in his collection. Write and solve an equation to find how many rocks are in Jenna's collection. Let x represent the number of rocks in Jenna's collection.
What is 1/17(x) = 28 x = 476 rocks in Jenna's collection
Alonzo has taken 3 out of 4 math tests this semester and has scored 90, 85, and 92. To earn an A for the course, Alonzo needs to get a total of more than 359 points on the 4 tests. Write and solve an inequality to determine how many points Alonzo needs on his fourth test to get a grade of an A. Use t to represent the fourth test grade.
What is 90 + 85 + 92 + t is greater than or equal to 359 t is greater than or equal to 92
Three vertices of a rectangle are represented by the points ( 4, -3 ) ( 4, 5 ) and ( 7, 5) What are the coordinates of the fourth point? What is the length of the side connecting the fourth point to ( 7, 5)?
What is fourth point ( 7, -2 ) the length is 8 units
Justine is mixing yellow and red paint to make orange paint. Below is the ratio of drops of red paint to drops of yellow paint needed to make orange paint. 2 red to 5 yellow 8 red to 20 yellow 6 red to 15 yellow How many drops of red paint are needed when 35 drops of yellow paint are used?
What is 14 drops of red
Paul sells apples at the farmer's market. He sells each pound of apples for $2, but he must pay $25 of the money he makes to the market. Write and solve an expression to determine how much Paul will make if he sells 68 pounds of apples.
What is 2(68) - 25 $111.00 is what Paul will make
A biologist is monitoring the number of bass fish, x, in a certain pond throughout the year. She calculates that the pond conditions are ideal when the number of fish is 350 < x < 550 During each of her visits to the pond last year, the biologist estimated the number of bass to be 375,600, 550, 450, and 575. Which estimates make the inequality for ideal pond conditions true?
What is 475 and 450
Draw trapezoid CDEF with the following coordinates
C ( 1, 4 ) D ( 1, -2 ) E ( -5, -2 ) and F ( -5, 6 )
What is the length of EF?
If point G is drawn at ( -8, -2 ) what would be the length of DG?
What is EF is 8 units DG is 9 units