Two fifths of an intermediate class was the volleyball Team. A, On Tuesday, Only 3/4 of the students went to practice. what fraction of class showed up?

B, How many students might be in the class? How do you know?

Plz answer both questions ​

1/4

Step-by-step explanation:

If theres 20 students total in the class and 3/4 went to the field trip meaning 3 groups of 5 that means 5 students remain in class

this is false ^.^ lol

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for