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#76 Re: Exercises » Question » 2018-07-01 17:18:25

combined rate of working = (3*x)/10  *   50

then answer is 15x

#77 Re: Exercises » Question » 2018-07-01 17:02:47

bob bundy wrote:

Then Ali works at x/5 work units per hour and Hashim at x/10.  Add these to get their combined work rate and use the formula:
Bob

Adding this lead to (3*x)/10

#78 Re: Exercises » Question » 2018-07-01 05:01:51

Question 2 : Successive discounts of 10% and 15% is equivalent to a single discount of

Options
A:24%
B:24.5%
C:23.5%
D:22%
E:25%

#79 Exercises » Question » 2018-07-01 04:58:54

Zeeshan 01
Replies: 6

If Ali can finish a job in 5 hours and Hashim can finish the same job in 10 hours , how many minutes will it take both of them together to finish the job?

#80 Re: Exercises » Percentage » 2018-06-26 16:49:49

This topic is given in math is fun web site?

#81 Re: Exercises » Percentage » 2018-06-26 00:48:33

Ali salary must be  0.35x

#83 Re: Exercises » Percentage » 2018-06-25 17:41:35

Explain this formula..

#84 Re: Exercises » Percentage » 2018-06-25 17:40:33

how difference is 0.35??

#85 Exercises » Percentage » 2018-06-20 17:44:34

Zeeshan 01
Replies: 11

Question 1 : Two numbers are respectfully 20% and 50% more than a third , what percentage is the first to the second?

Question 2: If Ali salary is 35% more than that of Hashim , How much percent is Hashim salary less than that of Ali?

Question 3: If Maryam's salary is 25% less than that of Fatima, then how much percent is Fatima's salary more than that of Maryam?

Question 4: After deduction 20% from a certain sum, and then 30% from the remainder , there is 3500 left. Find the original sum?

#86 Re: Help Me ! » Questions » 2017-08-06 16:32:08

Derivative is tangent line?

#87 Re: Help Me ! » Questions » 2017-08-04 03:14:54

See again this question

#88 Re: Help Me ! » Questions » 2017-08-04 03:13:29

See again this question

#91 Re: Help Me ! » Questions » 2017-08-04 03:05:27

How they perpendicular

#94 Re: Help Me ! » Questions » 2017-08-04 02:59:19

A line that just touches a curve at one point, without cutting across it is called tangent

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