The two points are (1,30) and (7,55). Slope = the change in y/the change in x. Slope is -25/-6, which simplifies to 4.2.
3)
Gennady: 53c
Michael: 51c
David: 42c
4)
*Trying to get done
5)
*Working on as well
He ate 8/15 of a pound of the cookies.
If we are looking for 4/5 of something, we just multiply the amount by 4/5.
To multiply fractions, just multiply straight across.
2 x 4 = 8 in the numerator
3 x 5 = 15 in the denominator
That is an example of the use of the distributive property of multiplication. However, you wrote the problem incorrectly... the sign following 5 changed from ÷ to +