3a. Every morning, Halle goes to school with a 1 liter bottle of water. She drinks one fourth of the bottle before school starts and two thirds of the rest before lunch. What fraction of the bottle does Halle drink after school starts, but before lunch?

3b. How many milliliters are left in the bottle at lunch?

Respuesta :

Answer:

A) Halle drink 1/2 of the bottle after school starts, but before lunch.

B) 250 milliliters are left in the bottle at lunch?

Step-by-step explanation:

She drinks one fourth f the bottle before school starts

= 1/4 of 1 litre

= 1/4 litre

Amount left after drinking before school starts

= 1 - 1/4

Amount left = 3/4 litre

Fraction of the bottle Halle drink after school starts, but before lunch =

= two third of the rest before lunch

= 2/3 of Amount left

= 2/3 of 3/4

= 2/3 x 3/4 = 1/2 litre

left in the bottle at lunch

= 1 - (1/4 + 1/2)

= 1/4 litre

Since 1 litre = 1000millilitre

1/4 litre = 250millilitre