224509
17.07.2019 •
Mathematics
Pre-algebra final exam questions i am stuck on ! ( show units and work if necessary) 2 points per question 1) solve for x: 2x=12 2) if x=10, what is x+2x+7? 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?
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Ответ:
2x=12
divide both sides by 2
2x/2 = 12/2
x = 6
2) If x=10, what is x+2x+7?
10 + 2(10) + 7 = 10 + 20 + 7 = 37
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?
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
Ответ:
ill make one
Step-by-step explanation: