Answer: 350% increase
divide 42 by 12
42 / 12 = 3.5
change 3.5 into a percentage
3.5 = 350%
To determine the scale factor that should be used in order to correct the size of the post card, we simply have to divide the original length of the picture which is 4.5 inches by the space available, 1.8 inches. This gives an answer of,
scale factor = 4.5 inches / 1.8 inches = 2.5
Answer: has no equal sign
Draw the line -10 to 20 divide it into units
go to the left is minus and right plus.
plot the point 1 in the line.
going to the 7 unit right because it is adding 7
now you got 8
that is the answer.
The answer is 11 1/2
Hoped that helped
