asheeee58
22.10.2020 •
Mathematics
Kayla’s son came home from a school party with a bag full of candy. She counted 19 pieces of candy in all. There were twice as many Laffy Taffys than there were chocolate bars. There were 3 more Jolly Ranchers than chocolate bars. How many of each type of candy does he have? Please show how you got the answer!!
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Ответ:
4 chocolate bars
7 jolly ranchers
8 laffy taffys
Step-by-step explanation:
j = jolly ranchers
c = chocolate bars
t = laffy taffys
19 = t + j + c
2c = t (twice as many)
c + 3 = j (three more)
19 = 2c + (c + 3) + c
19 = 4c + 3
-3 -3
16 = 4c
4 4
4 = c
2c = t
2(4) = 8
t = 8
c + 3 = j
4 + 3 = 7
j = 7
Check:
4 + 7 + 8 = 19
Ответ: