Answer:
2.5
Step-by-step explanation:
200 divide 80 = 2.5g/2/5ml
Answer:
The rental cost would be the same if the machine is rented for 4 hours
Answer: option c. She subtracted the coefficients instead of dividing them
Explanation:
1) Starting expression (given):
2) Simplified expression (given)
3) Note that if you do the operations correctly you get:
i) By dividing the coefficients:
ii) By subtracting the exponents
And that is the correct result.
4) But if you subtract the coefficients, instead of dividing them, then you get 10 - ( - 5) = 10 + 5 = 15
Which is what she obtained in the numerator. And this is wrong, because the coefficients must be divided.
It is the exponents what you subtract, as per the rule of quotient of powers.
Answer: 78
Step-by-step explanation:
Given
Mrs. Lee has students
On a particular day, one-fourth of her students are sick i.e.
and 24 were on a field trip.
The total no of students taught on that day will be the subtraction of the gone students and the addition of three new.
So 66 2/3 percent of 87 is the same as two thirds of 87 so all you do is 87 divided by 3 and then times by 2 to make 58.
1 percent of 3620 is just 3620 divided by 100 as there are a hundred 1 percents in 3620. This makes 3.62
If 5 is 62 1/2 percent of x then you just do 5 divided by 62 1/2 to find one percent then you times that by 100:
5 divided by 62 1/2 =0.08 (1 percent)
0.08 x 100=8 (100 percent) which is the answer
If 300 percent of k is 42 then all we have to do is divided by 3 as we only want 100 percent which is 14 which is the answer!
Good luck!