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Solve Proportions Equivalent Ratios
Solve Proportions Cross Products
Words Problems
Find the Error
Is it reasonable?
100
4/5=40/x
What is 50
100
24/13=1/26
What is 48
100
Maria is preparing for her college entrance exams. In a practice test, she answered 12 problems in 30 minutes. At this rate how many questions can she expect to answer in 150 minutes?
What is 60 questions
100
Dustin drank 14 ounces of tomato juice through a straw in 33 seconds. At this rate, approximately how long would it take him to drink a bottle of water that contains 16.9 ounces. In order to solve this problem a student set up the proportion like this 14 ounces/33 seconds= x/16.9 ounces
What is 16.9 ounces should be on the top of the second ratio or switch the first ratio around
100
Micah got 8 out of every 13 questions right. If he got 36 questions right, how many questions are there? A student answered there are 22 questions after setting up the proportion. Is this reasonable?Why or Why not?
What is not reasonable if Micah got 36 questions right the total of questions can't be 22.
200
a/11=72/99
What is 8
200
18/x=3/36
What is 216
200
Eduardo earned $112 for 8 hours of work. At this rate, how much will he earn for 40 hours of work?
What is $560
200
Marta goes on a 30 mile bike ride every Saturday. She rides the distance in four hours. At this rate, how far can she ride in 6 hours? To solve this problem this proportion was set up x/6 hours=30 miles/240 minutes
What is the 240 minutes would need to be converted to hours or 6 hours to 360 minutes
300
12/c=48/100
What is 25
300
2.8/4=7/q
What is 10
300
In order to determine her pulse rate, June's nurse counted 18 beats in 15 seconds. At this rate, how many beats would she have in 60 seconds?
What is 72 beats
300
Of the 50 fish that Jose caught from the lake, 14 were trout. The estimated population of the lake is 7,500 fish. About how many trout would you expect to be in the lake. In order to solve this proportion was set up: 50 total fish/x=14 trout/7,500 total fish
What is neither the ratio on the write or left is a ratio found in the problem it would have to be 50 total fish/14 trout=7,500 total fish/x
400
5/8=35/t
What is 56
400
650/6.5=z/5
What is 500
400
Rita traveled 1,250 miles in her first 3 days of her trip. At this rate, how long will it take her to travel 1,875 miles?
What is 4.5 days
400
Ingrid types 3 pages in the same amount of time that Ying types 4.5 pages. If Ying and Ingrid start typing at the same time, how many pages will Ingrid have typed when Ying has typed 11 pages. This proportion was set up to solve this problem: 3 pages Ying/4.5 pages Ingrid= 11 pages Ying/ x
What is 3 pages should be with Ingrid not Ying and 4.5 pages should be with Ying. The labels should be switched to match the numbers.
500
h/3=6/9
What is 2
500
c/17=0.01/8.5
What is 0.02
500
A shop produces 39 skateboards every 2 weeks. How long will it take the shops to produce 429 skateboards?
What is 22 weeks