There are 4 classrooms of third grade and 4 of fourth grade at our school. Each classroom has 20 students. She knows the following information:
·90% of 3rd and 4th grade students have permission to go on the trip.
·4 teachers are going on the trip
·The school requires 1 parent volunteer for every 8 students going on the trip.

Part A: How many parent volunteers are needed to go on the trip?

Part B: All of the students, teachers, and parents going on the trip ride in school buses that hold 44 people. How many school buses should Mrs. Horan reserve?

Question

Invisagirl Invisagirl

04-04-2019
Mathematics

contestada

There are 4 classrooms of third grade and 4 of fourth grade at our school. Each classroom has 20 students. She knows the following information:
·90% of 3rd and 4th grade students have permission to go on the trip.
·4 teachers are going on the trip
·The school requires 1 parent volunteer for every 8 students going on the trip.

Part A: How many parent volunteers are needed to go on the trip?

Part B: All of the students, teachers, and parents going on the trip ride in school buses that hold 44 people. How many school buses should Mrs. Horan reserve?

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MrsSeifried MrsSeifried · Answer 1 · 2019-04-04T01:05:44+02:00

Answer: 18 parent volunteers and 4 buses.

Step-by-step explanation: In order to solve this problem you must first calculate how many student will be going on the trip.

There are 8 classes of 20 students and 90% are attending, so the formula is 8 x 20 x .9 = 144 students are going.

Part A: If one parent needs to go for each 8 students you need to divide 144 by 8 = 18 parent volunteers.

Part B: The total people attending are 144 students, 18 parent volunteers and 4 teachers is a total 166 total attending to ride the bus. You need to divide 166 people by 44 on each bus = 166/44 = 3.7 buses, so they need to reserve 4 buses.