Answer:
Im confused is this a question
Step-by-step explanation:

25/3 pages of a book in 10 minutes
Multiply both numbers by the reciprocal of 10, which is 1/10


So, Charlotte reads
5/6 pages of a book in 1 minute.
(40-10)/7
The maximum amount of money she wants to spend is $40
Her adult ticket costs $10
She will pay for the children’s tickets with the remaining money
Each child’s ticket costs $7
To find the number of children she can take we need to use this expression (40-10)/7
Mrs Herñàndez can take 4 children
1.50y(2)+2.00x=20
Now use the quadratic formula to solve