Answer:
x=5
y=1
z=2
Step-by-step explanation:
x+2y+z=9
3x+y+4z=24
x+3y+z=10
Answer:
Marie ran at a faster rate. It takes 27 minutes for Lisa to run 15 laps while it takes Marie 26.25 minutes to run 15 laps.
Step-by-step explanation:
18 ÷ 10 = 1.8 (Lisa's rate)
14 ÷ 8 = 1.75 (Marie's rate)
1.8 x 15 = 27 minutes (How long it takes for Lisa to run 15 laps)
1.75 x 15 = 26.25 (How long it takes for Marie to run 15 laps)
THE ANSWER IS 42 I THINK THAT HE DONE IT 42 TIMES AND THAT IS SO GOOD HE HAD 42 MIN ON THE CLOCK HE DONE PRETTY GOOD YOU ARE AT LEAST TO DO IT 3 TIMES A DAY MORNING ,AFTERNOON AND THE EVENING THAT IS PRETTY DANG GOOD