Randy walks 1/2 mile in each 1/5 hour. how far will randy walk in one hour

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?