Answer:
7, 4, 1, -2, -5, -8, -11, -14, -17, -20
Step-by-step explanation:
Answer:
$86.8
Step-by-step explanation:
Given that,
Principal, P = $80
Rate of interest, R = 8.5%
We need to find the money he will have in 1 year. As the interest is not compounded, it must be simple interest. The simple interest can be calculated by the formula,

We know that,
Amount = Principal + interest
= $80 + $6.8
= $86.8
Hence, the amount will become $86.8.
leer leer con atención y así como respondes mucho cuidado
Question 1

Distributing 2 on 5y -2, we will get

But student get

So the student make an error in step 2 .
Second question

To get rid of y, we have to multiply first equation by -8 and add the resultant equation with equation Q .