Question 1095214
josie has taken 3 math test thus far and earned grades of 87, 93 and 84. She has one tes left for the marking period. What grade must josie receive on her last test to receive at least a 90% for the marking period?
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87+93+84 = 264 (I'm almost certain).
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(264 + Score)/4 >= 90
264 + Score >= 360
Score >= 96