# 111.28.B.5.e Direct Variation

## Quiz by Quizalize - Grade 8 Math

Mathematics
Texas Essential Knowledge and Skills (TEKS)

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10 questions
• Q1
The amount of water an electric washing machine uses to wash laundry varies directly with the number of loads of laundry. The washing machine uses 72 gallons for 6 loads of laundry. How many gallons of water will the washing machine use to wash 11 loads of laundry?
132
30s
8.5.E: Proportionality
• Q2
The number of necklaces Sarah can make varies directly with the amount of time she spends making the necklaces. She can make 3 necklaces in 1/2 an hour. How many necklaces can she make in 3 1/2 hours?
7
9
21
15
30s
8.5.E: Proportionality
• Q3
The amount of questions completed on the homework varies directly with the amount of time spent working. Billy can complete 15 questions in 6 minutes. How many questions could he complete in 2 minutes?
30
24
5
12
30s
8.5.E: Proportionality
• Q4
The number of songs that Alison can listen to varies directly with the amount of time she spends listening. She can listen to 8 songs in 28 minutes. How many songs could she listen to in 15.75 minutes?
4.5
52
12.25
7.5
30s
8.5.E: Proportionality
• Q5
The amount of cookies that Emily can make varies directly with the amount of dough she makes. She can make 4 dozen cookies for every 3 pounds of dough she makes. How many dozen cookies could she make if she had 19.5 pounds of dough?
39
16.5
26
14.625
30s
8.5.E: Proportionality
• Q6
The amount of popcorn made at the movie theater varies directly with the amount of customers at the theater. For every 10 customers they need 3/4 a cup of popcorn seeds. If there were 105 people at the theater that day, how many cups of popcorn will they need?
7.875
10
14
1.5
30s
8.5.E: Proportionality
• Q7
The value of y varies directly with x. When y = 55, x = 8. What is the value of y when x is 20?
137.5
2.909
22
155
30s
8.5.E: Proportionality
• Q8
30s
8.5.E: Proportionality
• Q9
30s
8.5.E: Proportionality
• Q10
30s
8.5.E: Proportionality

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