unknownmath2227 unknownmath2227
  • 13-06-2020
  • Mathematics
contestada

On her first four tests Monica's average score was 75%.

On her next six tests Monica's average score was 85%.

What was Monica's average score on all ten tests?

Respuesta :

Leora03
Leora03 Leora03
  • 13-06-2020

Answer:

81%

Step-by-step explanation:

Average score= total score ÷number of tests

To find the average score for all ten tests,

① Find the total score for all ten tests

② Divide the total score by the number of tests, 10

Let's find the total score for the 1st 4 tests first.

Total score

= 4(75%)

= 300%

For the next 6 tests,

total score

= 6(85%)

= 510%

Total score for 10 tests

= 300% + 510%

= 810%

Average score

= 810% ÷10

= 81%

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