70t + 80t = 600
150t = 600 Simplify
t = 4 Divide
70(4) + 80(4) = 600 Check
4 hours
Answer:
The equation would be x ÷ 4 ≤ 5
8. 4x²+3y = 4(4)²+3(5) = 4(16)+15 = 64+15 = 79
basically you have to substitute the variable for the given value. (ex. x is replaced by 4 and y is replaced by 5 and z is replaced by 3) FOR BOTH PROBLEMS!
9. (y+z)/x = (5+3)/4 = 8/4 = 2
Answer:
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Step-by-step explanation:
Answer:
All u have to do is convert 2 pounds and 3 ounces to ounces than subtract 56 ounces by whatever you get:))
Branliest would be appreciated.
Step-by-step explanation:
