lanihopoate1 lanihopoate1

03-04-2020
Mathematics

contestada

In a survey of 105 people, there were half as many adults as children. How many children were there?

Respuesta :

SaltySpark SaltySpark

03-04-2020

Answer:

70

Step-by-step explanation:

Set up a system:

C + A = 105

C = 2A

Substitute:

3A = 105

A = 35

C = 70

Answer Link

meghayeddula24 meghayeddula24

03-04-2020

Answer:

70 children 35 adults

Step-by-step explanation:

X= children

Y=Adults

x+y=105

1/2x=y

x+y=105

1/2x-y+0

x+y+105

x-2y=0

3y=105

y=35

x+35=105

x=70

Answer Link

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