# math

posted by .

The bell rings for school at 8:30 a.m. Elia must be there 15 minute before the bell. The trip to school takes 35 min. When should Elisa leave for school.

• math -

You could simply count on your fingers -- or you can subtract from the equivalent of 8:30.

7:90 - 50 = ?

• math -

8:30-15=8:15
8:15-35=7:40

7:40

## Similar Questions

1. ### math

a bell rings er=very 2hours,a srcond bell rings every 3 hours,and a third bell ring every 4 hours.if all bells ring at 9:00a.m.,whst time will the next 3 bells ring?
2. ### Language Arts

I have to write a personal essay and I was wondering if someone could peer revise my first paragraph: The school bell rang. Clusters of children jumped off playground equipment and sped through the schoolyard. I clung to my father’s …
3. ### physics

A commuting student leaves home and drives to school at an average speed of 41.0 km/h. After 24.0 min she realizes that she has forgotten her homework and returns home to get it at the same average speed. It takes 9.0 min to find the …
4. ### English

Can you please tell me if the following statements regarding school rules are correct?
5. ### physics

A commuting student leaves home and drives to school at an average speed of 42.0 km/h. After 22.0 min he realizes that he has forgotten his homework and returns home to get it at the same average speed. It takes 8.0 min to find the …
6. ### statistics

You and three (3) of your friends were in the same advance placement high school chemistry class in high school. All four (4) of you decided to take the same chemistry class together at the local university along with 21 other students. …
7. ### MATH HELP!!!!!!!!!!

If the first bell is at 8:12 but the all the buses are at the school at 8:00 (around 8:05 they let all the students out of the bus). It's takes 41 minutes from home to get to school. What time does your bus comes in the morning and …
8. ### physics

A commuting student leaves home and drives to school at an average speed of 42.0 km/h. After 20.0 min he realizes that he has forgotten his homework and returns home to get it at the same average speed. It takes 7.0 min to find the …
9. ### Science

it is now 8:59am but when the bell rings at 9:00am Suzete will be late for Science class. She must get from one side of school down three different hallways. She runs down the first a distance of 35.0 m at a speed of 3.50m/s. The second …
10. ### math help

Jimmy spends ¾ of an hour getting ready for school. It takes 30 minutes to travel to school. If he needs to be at school at 9:00 am, what time should he get up?

More Similar Questions