# Examples for 9th grade - page 96

- Two unknown numbers

One number is 2 less than a second number. Twice the second number is 14 less than 5 times the first. Find the two numbers. - Blocks

There are 9 interactive basic building blocks of an organization. How many two-blocks combinations are there? - Diofant equation

250x + 120y = 5640 - Value 4

If 5/18=425 what is the value 13/18? - Price inflation

This year the average wage grew by 4.5%. Prices rose by 2%. How much did the real wage increase in the given year? - Expression with powers

If x-1/x=5, find the value of x^{4}+1/x^{4} - Catering business

Montealegre family has a catering business. In one birthday party, they charged their costumer 11,767.50 for a party of 90 persons and a service charge of 2,500.50. How much was the average cost per person? Please show your solution. - Percentage 10

52 shorts and missed 13. Calculate percentage - 5 people

5 people have $122000 and 1 person has $539000 How much should each person (equally) pay? - Commission 2

Mr gomez sells used cellphones. His commission for every cellphone sold is 20%. If his total sales is Php 33850, how much is his commission? Please, please, please show your solution. - Air thermal

Imagine that a unit of air rises at 3000 meters high, if temperature decreases 6 degrees celcius for every 1000 meter, what will be its temperature at 1400 meters, 2000 meters, 2500 meters and when it reaches the 3000 meter elevation. Starting temperature. - Toys 3

Tiffany's toyshop received a shipment of 360 toys. The first day 12 were sold the second day 19 were sold and on the third day, 26 was sold. How many days will the toyshop run out of toys? - Evening shift

While working the evening shift, Officer K took 8 hours to complete a task at his work station and Officer M took 10 hours to complete the same task at his work station. How many hours would it take Officer K and Officer M to complete the same task working - Shuyen

Shuyen wanted to save some money. She deposited Php.300 in a bank which pays 0.5% interest per annum. After nine months, she needed the money to buy some gifts. How much will she be able to get if he withdraws all her money from the bank? - Eq with reciprocal

Solve given equation with reciprocal member: a-6/a+10=4/8 - Monica

Monica left Php.900 to Bianca. When monica asked for it after 6 months, Bianca decided to give Php.945 instead because she was able to use the money. What interest rate on Monica's money was used by bianca? - Apples 14

Maya bought 18 apples. She used 50% of the apples to make apple pies and 1/3 of the apples was mixed with other fruits to make salad. How many apples were left? - Fix + percentages

Mrs. Vargas is a car sales agent who earns Php.5,850 monthly plus a 4% commision on all her sales. During a month, she sold a car worth Php.740,000. How much is her total earnings? - School yearbook

Bianca sold Php.18,500 worth of advertisements for the school yearbook. If she is given a commision of 8%, how much did she earn for the advertisements? - Nineteenth member

Find the nineteenth member of the arithmetic sequence: a1=33 d=5 find a19

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