Answer:
£390
Step-by-step explanation:
The ratio of money in bank:
Terry : Faye
3 : 7
Terry put £220 in his account
Faye withdrew £300 from her account
Unknown:
Initial amount Terry had = ?
Solution:
Let the real amount terry has = 3x
Faye will have = 7x
Now;
3x + 220 = 7x -300
Solving this equation:
3x + 220 = 7x -300
3x - 7x = -300 - 220
-4x = - 520
4x = 520
x = 130
Originally, Terry has 3x = 3 x 130 = £390
Answer:
1 lap in 8/10 (4/5) of a minute
Answer is B, 8/10 minute!
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Step-by-step explanation:
The function models Exponential Decay due to the fact that as
x -> infinity, y-> 0
Same . It’s not giving me a lot of information!!
Answer:
B. It's actually something like 2.142857143... but you know, the closest answer is 2.14.
