Answer:
$30
Step-by-step explanation:
Total amount paid by the hire purchase scheme:
$60 + 6 * $45 = $60 + $270 = $330
Total amount paid in just the cash price:
$300
Difference:
$330 - $300 = $30
Don't quote me but i'm pretty sure it is a right triangle
It means the scatter plot is a line with negative slope. The relation is perfectly described by a linear equation.
