If Jen ran t + 3 kilometers and Susan ran half as much as Jen and biked twice as much as Jen ran, which expression represents their total kilometers of exercise?
W) 2.5(t + 3) (read as: 2.5 times the quantity t plus 3)
X) 3.5t + 3
Y) 3.5(t + 3) (read as: 3.5 times the quantity t plus 3)
Z) 1.5t + 4.5
✔️Answer:Y) 3.5(t + 3)
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