Hamza had an average of 60 on his first four math tests. After taking the next test, his average dropped to 58. Find his recent test grade?
- 32
- 50
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- 55
Explanation
4 TESTS AVERAGE IS 60. SO IF WE SUM THE TOTAL VALUE THEN
60*4=240
5 TESTS AVERAGE IS 58.SO IF WE SUM THE TOTAL VALUE THEN
58*5=290.
THEN TAKE THE DIFFERENCE OF SUM YOU GET
290-240= 50.
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