Answer :

Kattay
42 + 8 = 50. Since it's HALF we need to find all of it, so multiply 42 by 2 it equals 84, so Allen got 84 on his test
Let x= Allen's score

1/2x +8=50
multiply by 2 to eliminate the fraction
x+16=100
subtract 16 from both sides
x= 84 is Allen's test score

hope this helps

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