Answer:
c
Step-by-step explanation:
In the picture there are 6 triangles. Let's call the total amount x. Since 30% = 0.3 we can write 6 = 0.3x so x = 6 / 0.3 = 20. The picture that has 20 triangles is C.
Answer:
10(x-3)
Step-by-step explanation:
Answer:w is equal or more than 15
Step-by-step explanation:
Y= 3.5t+2
you spent 3.5 hours on each test
(3.5(4)+2= 16)