Question

Which expression will help make the following problem easier to solve using mental math? Robert bought 15 lollipops that cost $1.40 each.

15(1) + 1(0.4)

15 • (1 + 0.4)

1 • (15 + 0.4)

15(0.4) + 0.4(1)

Answer 1

i think its a

Answer 2

is there a definite answer

Answer 3

nope

Answer 4

@PrincessGabriella wrong choice

Answer 5

thats why i said i think lol

Answer 6

it's b

Answer 7

why do you think it's b @Tellme2242 ?

Answer 8

You know that each lollipop costs $1.40, we can split that up and say 1.00 + .40

15 of these lollipops are bought, so you know that you already have 15 x 1.00 and you got .40 left over for each one, what do you do.

Answer 9

its b

Answer 10

Howdy partner lol

Answer 11

15 • (1 + 0.4)

Answer 12

And thats why lol