Since the two triangles are proportional, there is a scale for going from one triangle to the other
Place value. when multiplying by 10 you are moving a decimal, having everything lined up like place value would save you a lot of time.
3: independent
4: dependent
3.5 miles per hour. 7/8 (.875) divided by 1/4 (.25) equals 3.5. Hope this helps!
19x-15 = 15x -7
4x = 8
x =2
19(2) -15 = 23
15(2) -7 = 23
