For this you can work is doing it in a diagram.
Answer: 83 over 20
Step-by-step explanation:
.15 = 15 over 100 = 3 over 20
1 = 20 over 20
The 4 = 80 over 20
80 over 20 + 3 over 20 = 83 over 20
Answer:
y= 1/3x+2
Step-by-step explanation:
m= slope
y-intercept= b
Little tip ** if u r going from a larger shape to a smaller shape, the scale factor is going to be a proper fraction....a number less then 1 but greater then 0
BC = 66......EF = 11.......66 times what is 11
66x = 11
x = 11/66 reduces to 1/6
so 66 * 1/6 = 11
now compare the other sides...
42 * 1/6 = 7.......looks like AC and DF
72 * 1/6 = 12...looks like Ab and DE
so ur multiplying every number in the big triangle by 1/6 , and getting the measures of the little triangle....so ur scale factor is 1/6 <==