Answer:
10 years
Step-by-step explanation:
the average or mean value is the sum of all data points divided by the number of data points.
x = the unknown age of the 5th student.
average = 9 = (5 + 7 + 8 + 15 + x)/5
45 = 5 + 7 + 8 + 15 + x = 35 + x
x = 45 - 35 = 10
the 5th student is 10 years old.
Answer:
Liliana can make two batches of brownies!
Step-by-step explanation:
12/8 is equal to 6/4, which is double 3/4.
Number of ribbons that can be cut = 6 ÷ 1/2
Number of ribbons that can be cut = 6 x 2/1
Number of ribbons that can be cut = 12
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Answer: 12 1/2 foot pieces can be cut from 6 feet ribbon
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Answer: 8/50
Step-by-step explanation:
simplified is 4/25
Answer:
2 pencils and two erasers and the next one is 8 and 4 and dude really algebra is easy
Step-by-step explanation:
