On three does it tells you the data
The lines are proven to be parallel so that executes the two perpendicular choices, so I'm assuming it is 'The lines are parallel because the slopes are the same'...
Should be 21 boys because 7+7+7 equal 21 and 3+3+3 equal 9 which equals 30
Answer:


Step-by-step explanation:
Given


--- not -67

Required
Find q and r
Substitute values for d and b



Make q the subject

means that r is less than 8 but greater than or equal to 0
And r and q are integers.
Let 



No other true values of r and q can be gotten.
Multiply numerator and denominator by the same number - 50/100.