Suzette ran for 1.5 hours and biked for 2.5 hours.
a. Let x = total hours Suzette ran.
Let y = total hours Suzette biked.
The equation to solve the question will be:
x + y = 4 ....... i
6.5x + 14y = 44.75 ....... ii
b. x + y = 4 ....... i
6.5x + 14y = 44.75 ....... ii
From equation i, x = 4 - y
Put x = 4-y into equation into equation ii
6.5x + 14y = 44.75
6.5(4 - y) + 14y = 44.75
26 - 6.5y + 14y = 44.75
Collect like terms
-6.5y + 14y = 44.75 - 26
7.5y = 18.75
Therefore, y = 18.75/7.5
y = 2.5
Therefore, she bikes for 2.5 hours
Since x + y = 4
x = 4 - y
x = 4 - 2.5
x = 1.5
She ran for 1.5 hours.
Read related link on:
brainly.com/question/24578032
Answer:
x +2y = 36
2x+3y =64
Step-by-step explanation:
x = price of a T-shirt
y = price of a puck
Adam buys a T-shirt and two souvenir pucks for $36.00
x +2y = 36
Luke spends $64.00 on two T-shirts and three pucks
64 = 2x+3y
Our system of equations is
x +2y = 36
2x+3y =64
Answer:
11 - exponential, 12-linear, 13 exponential, 14 exponential
Step-by-step explanation:
Turn the word problem to an algebraic one. OK, so two people in forty four hours means 44/2 and the one less than means -1 so if you make each person a variable then guy one is x and guy two is y; therefor it's 44=, man i'm tired the answer is 23.
