rosenkemateh3537 rosenkemateh3537

28-02-2021
Mathematics

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Elizabeth got these grades on three tests: 72, 80 and 82. She had one more test to take. She wanted an average of 80 for the four tests. What score must she get on the fourth test?

Respuesta :

kaylee5292 kaylee5292

28-02-2021

Answer:

she at least needs an 87 for her average to be an 80

Step-by-step explanation:

87+72+80+82=321

321/4= 80.25

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