.

#4653. Find the value of m.

#4652. A person buys some pencils at 5 for $1 and sells them at 3 for $1. Find his gain percent.

]]>#4651. Find the x-intercept of the graph 7x - 3y = 2.

]]>The solution #4649 is correct. Excellent, Monox D. I-Fly!

#4650. The Least Common Multiple of two numbers is 12 times their Greatest Common Divisor. The sum of the GCD and LCM is 403. If one of the numbers is 93, then find the other.

]]>The solution #4648 is correct. Neat work, Monox D. I-Fly!

#4649. Average age of 6 sons of a family is 8 years. Average age of son together with their parents is 22 years. If father is older than the mother by 8 years, find the age of mother.

]]>The solution #4647 is correct. Good work, Monox D. I-Fly!

#4648. In a farm, there are cows and hens. If heads are counted, there are 180, and if legs are counted, there are 420. Find the number of cows in the farm.

]]>Good attempt, Monox D. I-Fly!

#4647. The perimeters of two similar triangles are 30 centimeters and 20 centimeters respectively. If one side of the first triangle in is 9 centimeters, determine the corresponding side of the second triangle.

]]>#4646. Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. Find the present age of the baby.

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#4645. A man sold his watch at a loss of 5%. Had he sold it for $56.25 more, he would have gained 10%. What is the cost price of the watch in $?

]]>#4644. A sum amounts to $480 in 4 years at simple interest. What will it amount to of the rate of interest is increased by 2%?

]]>.

#4643. A train crosses a platform in 30 seconds traveling with a speed of 60 kilometers per hour. If the length of the train be 200 meters, then find the length of the platform.

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