Answer:
a) 35, b) 25, c) 60
Step-by-step explanation:
The number of girls is 10 more than the number of boys, so it's a good thing to choose a variable to represent the number of boys.
Number of boys: b
Number of girls: b + 10
Ratio of girls:boys is 7:5, so

"Cross multiply" to get

There are 25 boys. There are 10 more girls, so the number of girls is 35, and the total number of students is 60.
That's a packed classroom!
The linear equation is
and John rode the scooter for
minutes.
Fee to start the scooter
$
.
Fee to ride per minute
cents
$
.
Total bill
$
.
Let
be the minutes for which he rides the scooter.
The linear equation is formed as:



minutes.
So, John rode the scooter for
minutes.
Learn more about linear equation here:
brainly.com/question/24794429?referrer=searchResults
Answer:
A. True
B. False
C. False
D. True
Step-by-step explanation: