Asmall fair charges an admission fee for children and adults. the cost for admission is $3 per adult and $2 per child. on a certain day, total sales were $900, and 350 people attended the fair. how many children attended the fair that day?

150

Step-by-step explanation:

I will call the number of adults that attended x, and the number of children that attended y.

if the total sales were $900, and the admission fee for adults is $3 and for children is $2:

i will call this equation 1.

then if 350 people attended:

i will call this equation 2.

multiplying equation 2 by -3

and adding this result to equation 1:

    +

------------------------

where is the amount of childen that attended the fair.

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation: