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Paul [167]
3 years ago
9

Pre-Algebra Final exam questions i am stuck on please help!

Mathematics
2 answers:
alekssr [168]3 years ago
8 0
<span>1) Solve for x:
2x=12
divide both sides by 2
2x/2 = 12/2
  x = 6


2) If x=10, what is x+2x+7?

</span>10 + 2(10) + 7 = 10 + 20 + 7 = 37

<span>3) A petting zoo always brings 5 goats to a birthday party. They also bring two chickens per guest. If there are 20 guests, how many animals in total will be brought?

</span>two chickens per guest and there are 20 guests
so 2 x 20 = 40 (40 chicken for 20 guests)

40 chicken + 5 goats = 45 animals

answer
45 animals in total
r-ruslan [8.4K]3 years ago
8 0
1) if 2x=12
so x=12/2
=6
2) if x=10
then x+2x+7
=10+(2×10)+7
=10+20+7
=37
3) it will be
5+(2×20)
=5+40
=45

HOPE IT HELPS YOU
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