Answer:
Brian will have £817.8
Step-by-step explanation:
Principal = £4700
interest = 5.5% = 0.055
n = 3 years
Amount = [(Principal * (1 + interest)ⁿ) - Principal]
Amount = [(4,700 * (1 + 0.055)³) - 4,700]
Amount = [(4,700 * (1.055)³) - 4,700]
Amount = [(4,700 * 1.174) - 4,700]
Amount = [5,517.8 - 4,700]
Amount = £817.8
C. x = 5, y = 2
5(5) + 2(2) = 29
25 + 4 = 29
29 = 29
5 + 4(2) = 13
5 + 8 = 13
13 = 13
She spent $11.25 in all, 3 * 3.75 = 11.25