A truck was carrying a load of 1,458 pounds of gravel. Another 1,731 pounds of gravel was loaded onto the truck.
Olivia said that the truck now holds 3,189 pounds of gravel.
Which expression can be used to check Olivia's answer, and is Olivia correct?
A.
3,189 + 1,458
Olivia is not correct.
B.
3,189 + 1,731
Olivia is not correct.
C.
3,189 – 1,458
Olivia is not correct.
D.
3,189 – 1,458
Olivia is correct.
She is right.
To check Olivia's answer, we need to add the initial load of 1,458 pounds to the additional load of 1,731 pounds. Therefore, the correct expression to check Olivia's answer is:
1,458 + 1,731
From the given options, the expression that matches is:
B. 3,189 + 1,731
Based on this, we can conclude that Olivia is not correct, as her answer of 3,189 pounds does not match the correct expression.