Write and graph an equation in point slope form of the line that passes through the given point and with the given slope (3,4) m
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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!
Well, we just need to perform the operations:
- Multiplication:
- Subtraction:
- Addition:
- Division:
So, if you add all the numbers together you get
Or, if you prefer,