I'll Give A Medal! Pleaseee Helppp Me :(

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.

Question

I'll Give A Medal! Pleaseee Helppp Me >:(

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.

anonymous · Answer

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