fortniteproforever10 fortniteproforever10

04-06-2021
Mathematics

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Sahil got 28 questions right on the math test. Angelina got 7 more wrong answers than Sahil. There were 40 questions on the test. How many answers did Angelina get right on the math test? Which equation represents this situation?

A. a + 7 = 12
B. a + 7 = 28
C. 7 + 12 = a
D. 7 = 40 - a

Respuesta :

Sashakay Sashakay

04-06-2021

Answer:

40-28=12 Sahil got 28 right and 12 wrong

12+7=19 Angelina got 19 wrong and 21 right

40-19= 21

B would be correct

a +7=28

a= 28-7

a=21

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