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The price of rice in May increased by 10% compared to April. The price of rice in June decreased by 10% compared to May. What was the percentage of the price of rice in June increase or decrease compared to April ?
The price of a pair of shoes is 36.4 dollars after a 20% discount. Find the original price of a pair of shoes.
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A software for a computer game was priced 20% above its cost price. It was later sold at 90% of its selling price and a profit of 360000 dong was made. Find the cost price of the software?Solve this math in the shortest and simplest way you know.
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the area of the rectangle is x if the length of the rectangle is increased by 20% and the width of the rectangle is decreased by 10%, the area of the rectangle is increased by 20 m2 find x
if delete the last digit of a 3-digit number then it will be decreased by 93 units. Find the original number. Answer the original number is
Problem 1. Find two distinct numbers, given that their sum is three times their difference, and their product is eight times their difference.Problem 2. The following sequence of numbers was written on a board: 1, 2, 3, 4, ..., 200. Uyen erased three consecutive numbers and the sum of the remaining numbers is 19848. Find the three numbers that were erased.Problem 3. The price of a type of chalk in August dropped by 10% compared to that in June, but increased by 10% in October compared to that in...
Đọc tiếp
Problem 1. Find two distinct numbers, given that their sum is three times their difference, and their product is eight times their difference.
Problem 2. The following sequence of numbers was written on a board: 1, 2, 3, 4, ..., 200. Uyen erased three consecutive numbers and the sum of the remaining numbers is 19848. Find the three numbers that were erased.
Problem 3. The price of a type of chalk in August dropped by 10% compared to that in June, but increased by 10% in October compared to that in August. How many percent has the price increased or decreased from June to October ?
Problem 4.Find the smallest whole number such that when it is multiplied by 12345679, the resulting product is a number having all of its digits equal to 8.
Problem5. Find the digits a and b such that the number 2016ab is divisible by 2 and 9, and has a remainder of 3 when divided by 5.
Giúp em câu này với
the nummerator of a fraction is 5 less than its denominator. If both nummerator are decreased by 3, the value of the fraction becomes 6/7w what is the numerator of the original fraction.
the area of a rectangle is 70m2 . if its length is increased by 10% and its width is decreased by 20% then the area of the new rectangle is ....m2
The area of a rectangle is 50m2. If it's length is increased by 10% and it's width is decreased by 20% then the area of new rectangle is ...............m2.