Answer:
3691 pounds
Step-by-step explanation:
Given: Colin invests £2350 into a savings account. The bank gives 4.2% compound interest for the first 4 years and 4.9% thereafter
To find: Amount that Colin will have after 10 years
Solution:
Let P, r, n denotes principal, rate of interest and time period
For the first 4 years:

Total amount after 4 years = 
For the next 6 years:

Total amount after 6 years = 
Answer:
12y-24
Step-by-step explanation:
-4(6-3y)
-24+12y
The V8 from Jacob’s
friend will cost
$265 less.
V6 Retail: $15,500 + ($250 + $220+ $120) – $850 – $1,775 = 13,465
V8 wholesale:
$13,270 + ($540 + $240 + $475) – $650 – $675 = $13,200
$13,465 – $13,200
= $265.