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Randy11111
17.07.2019 •
Mathematics
The average test score of rsm students in september increased by 10%. in october it increased by another 15%. by what percent did the average score on the test increase during the two months?
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Ответ:
It increases by 10%:
100% = 1
10% = 0.10
1 x 0.10 = 0.1
1 + 0.1 = 1.1
It increases by another 15%
1.1 x 0.15 = 0.165
1.1 + 0.165 = 1.265
Remember to move the place value digit to the right two spaces to make it a percentage
126.5% increase is your answer
hope this helps
Ответ:
Step 2 Commutative Property
Step 3 Associative property
Step 4 Commutative
Step 5 (not sure)