williamwu7374 williamwu7374

02-06-2018
Mathematics

contestada

Jacqui has grades of 87 and 84. if she wants an average of 78 what does she have to score

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eddiesimmons121 eddiesimmons121

07-06-2018

Jacqui needs to score a minimum of 63% on her next test to average 78%
Hers is the work:
87 + 84 + x = 78 * 3 so 171 + x = 234 which simplifies to x = 63
Have a nice day :P

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