A student computed the average of her 7 test scores by adding the scores together and dividing this total by the number of tests
. The average was 87. On her next test, she scored a 79. What is her new test average?
1 answer:
After the new test, she now has taken 8 tests.
Set it up just like when finding the average:
(87+79)/8
Solve for the new test average
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ANSWER: 5 minutes 20 seconds
WORK: entire train to get out of tunnel - 2900+300 = 3200 meters till it's out
at 600 meters per minute ...3200/600 = 5 1/3 = 1/3 of a minutes is 20 seconds
Hope this helps brainliest and rate/thanks helps!
Answer:
28.125
Step-by-step explanation:
A bar weights 3 ounces, she has a box of 150 so you multiply
150 times 3 = 450
well one pound equals 16 ounces, so you divide
450 divide by 16 = 28.125
The answer is definitely false
Answer:
15x - 2.
Step-by-step explanation:
3x - 1 + 2x + 1 + 4x - 2 + 4x - 4 + 2x + 4
= 15x - 2.
