What fraction is equivalent to -7/8

Equivalent fractions are fractions that are equal in value, but have different numerators and denominators. For example, 1/2 and 2/4 are equivalent fractions. A fraction can have an unlimited number of equivalent fractions, which are generated by multiplying the numerator and denominator by the same number.

, 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

investment b is an ordinary annuity with $3,909.64 in the account after one year.

step-by-step explanation: