Ratios problem?
1 Answer
Jan 2, 2018
Explanation:
#"using the following formula for average speed"#
#• " speed "="distance"/"time"#
#color(blue)"Olivia"#
#"speed "=(2 2/5)/(2/3)#
#color(white)(xxxx)=12/5xx3/2=36/10=3.6" Km per hour"#
#color(blue)"Ryan"#
#"speed "=(4 1/2)/(3/2)#
#color(white)(xxxx)=cancel(9)^3/cancel(2)^1xxcancel(2)^1/cancel(3)^1=3" Km per hour"#
#rArr" Olivia walked faster by 0.6 Km per hour"#
