Mr brown purchased one yardstick for $5 and r rulers for $1.50 each. which of the following expressions represents Mr Browns total purchase? a. 5(1.5r)
b. 1.5r + 5
c. 1.5r + 15
d. 5r + 1.5

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post

Distance=slopeslope is -2/4which equals-1/2the distance between these two points is -1/2