Answer:
see the explanation
Step-by-step explanation:
Let
n ----> the number
we have
so
The statement that represent the given algebraic expression could be : the sum of a number and one
90 - 48 = 42 complement
180 - 26 = 154 supplement
Hoping that is what you were looking for from you question.
This is 2/21. You can simplify the 4 in -4/7 to 2 and the 6 in -1/6 to 3. So it would now be -2/7 times -1/3. A negative times a negative is a positive, so the answer will be positive. 1 times 2 is 2 and 7 times 3 is 21. 2/21
Answer:
31.5 hours
Step-by-step explanation:
Given that 1 unit of electricity is consumed in 3 hours by 1 fan, it means that 2 fans will consume 1 unit in
= 3/2 hours
= 1.5 hours
If 2 fans consume 1 unit in 1.5 hours then 21 units will be consumed in
= 21 * 1.5/1
= 31.5 hours
It means he used the fans for 31.5 hours
Answer:
18
Step-by-step explanation: