Answer:
x = 6
y = -4
Step-by-step explanation:
Plug y into the first equation.
5x - 7(-x+2) = 58
Then, solve for x.
Plug in x back to any one of the equations to find y.
Given:
limit of $36 and 20 pounds of food in his back pack
pasta : 1 pound package @ $1
pasta sauce: 1.5 pound jar @ $3
x = number of pasta package
y = number of jar of pasta sauce
Constraint on the weight:
x + 1.5y <u><</u> 20
Constraint on the cost of purchase.
x + 3y <u><</u> 36
Answer:
4. 3.1% this could be 0% either idk bc 0.031 rounded to nearest 10th is 0
6. 90%
8.10%
Step-by-step explanation: