Answer:
Step-by-step explanation:
Move all terms that don't contain
x
to the right side and solve.
x
=
20
−
2
y
Answer:
£10200
Step-by-step explanation:
Amount borrowed (P) = £6000
Rate of interest (R) = 7%
Time (T) = 10 years
First, let us calculate the simple interest (SI) for 10 years.
Formula for simple interest is given as:

Plugging the values of P, R and T in the above formula, we find:

S.I.= £4200
Total money paid back at the end of the 10 years
= £6000 + £4200
= £10200
18/12=22.50/n
he could buy 15 gallons