If x is the amount of time Gillian takes,
1/10 - 1/x = 1/25
Therefore, the answer is A
Answer:
x = -1, -5
Step-by-step explanation:

Hope it helps.
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84/4=21
now take the 2 even numbers below 21 and the 2 even numbers above 21
18 +20 + 22 +24 = 84
the numbers are 18, 20, 22 & 24
5.394e+13 hope this helps
She walks 3 3/10 mph
In 1/3 an hour she walks 2 1/5 : 2 = 11/10