:there are 235 seventh-grade students going on a field trip. the school has 5 buses to take the students. each bus has 22 seats, and 2 students can sit in each seat. based on this information, how many students will not be able to ride on a bus for the field trip?

15 students wont be able to ride on the bus for the field trip

Step-by-step explanation:

Step 1

The expression for the total number of seats that can be occupied by the students is;

T=N×S×B

where;

T=total number of seats occupied by the students

N=number of seats per bus

S=number of students per seat

B=number of buses

In our case;

T=total number of seats occupied by the students

N=22

S=2

B=5

replacing;

T=(22×2×5)=220

The total number of students that can occupy the 5 buses=220

Step 2

Number of students that wont ride=total number of students-total number that occupy the 5 buses

where;

total number of students=235

total number that occupy 5 buses=220

replacing;

Number of students that wont ride=(235-220)=15

15 students wont be able to ride on the bus for the field trip

b.an increase in a causes b to decrease

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