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10 terms

LEAP PRACTICE TEST 2 8TH GRADE LPCS

THIS IS A TEST AND NOT VOCAB TERMS SOLVE THE PROBLEMS TO GET THE SOLUTIONS. GOOD LUCK ON LEAP
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A middle school has 1200 students. Of these, 25% are in the eighth grade. Yesterday, 95% of all eighth graders were present. How many eighth-grade students were absent yesterday?
calculate 25% of 1200 = 300
Calculate 95% of 300 = 15
300-15 = 285 students of 8th grade were present
The cost to rent an aeroplane is $1500 per day plus $400 per hour of use. What is the maximum number of hours the aeroplane can be used each day if the rental cost is not to exceed $5100 per day?
Subtract the rent 5100 - 1500 = 3600
3600 / 400 = 9 hours
The cost to rent an aeroplane is $500 per day plus $250 per hour of use. What is the maximum number of hours the aeroplane can be used each day if the rental cost is not to exceed $6000 per day?
12
Find the value of X.

20 - 4X = 12
x = 2
5X - 3 = 27
5X - 3 > 27
x > 6
Convert this Fraction to a Decimal : 12/24
0.5 divide the bottom number into the top number
Convert this Fraction to a Decimal : 1/8
0.125 divide the bottom number into the top number
Find the equivalent algebraic expression to S^50 • S^79 ?
S^129
Find the equivalent algebraic expression to S^88 • S^21 ?
S^109
What percent of 40 are 8?
20%