Question

Medals Given
For which of the following would the expression 2 times the quantity ten plus zero point 5 help make solving the problem easier using mental math?

For each of the past 2 days, Marisela drove 5 miles.

Preston bought 2 pizzas that cost ten dollars and fifty cents each.

Robert bought 2 lollipops that cost 1 dollar and fifty cents each.

Arsha wants to buy ten bottles of juice, which cost 2 dollars and fifty cents per bottle.