So 590 plus 29.5=619.50
because %100 of 590 is 590 and %20 of 50 is 29.50
(65+84+x)/3≥80
(149+x)/3≥80
149+x≥240
x≥91
Leon needs to score at least 91 at his next test
Answer:
142 cm^2
Step-by-step explanation:
2(L*H)+2(L*W)+2(W*H)=SA
7*3=21
21*2=42
7*5=35
35*2=70
5*3=15*2=30
30+70+42=142
X^2 + 4x + 8 = 0
( x + 2 ) ( x + 2 ) = 0
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