Answer:
100°
Step-by-step explanation:
the angles are vertical, so they are equal.
Answer:
$300
Step-by-step explanation:
$400 is 100% of the price
25% is a quarter of 100%
A quarter of 400 is 100 so the discount was $100
400-100 =300
Answer: you add them up
Step-by-step explanation:
I’m not extremely good at math but I think you need to make -x-y=1 into y=mx+b form and then solve your new equation!
Divide 45 by three because it is 3:4 of the cost then mutiply it by four so e entire cost would be 60.