barry buys 200 pieces off stationary for £76. of the 200 pieces off stationary, x off them are rulers that cost 50p each and y off them are pens that cost 20p each. find how many rulers Barry buys...

barry buys 200 pieces off stationary for £76. of the 200 pieces off stationary, x off them are rulers that cost 50p each and y off them are pens that cost 20p each. find how many rulers Barry buys...

Elaine owns a bag shop. Half of her inventory is made up of tote bags, while a third of the remaining bags are backpacks. The remaining bags are handbags. If there are 10 backpacks, how many tote...

Please prove that among6 people, either at least three of them know each other or three of them do not know each other.(Two people knowing each other is a mutual relation, i.e. there cannot...

I don't know how to do this please help me

What is the answer to the question

what is the length of thee square in cm

if a/b = 3/2, then 8a equals which of the following? a. 16b b. 12b c. 3b/2 d. 8/3b 20% of 3 yards is how many fifths of 9 feet? a. 1 b...

The mean score for Samantha's first six algebra quizzes was 88. If she scored a 95 on her next quiz, what will her mean score be for all 7 quizzes?

i seem to be getting 32 if anyone could tell me how to get the right answer that would be greatly appreciated

The Sweater Shop sells sweaters in three colors: red $20, blue $25, and white $28. On Tuesday, they sold 23 sweaters, they sold more red sweaters than blue sweaters. If they sold $522 in sweaters,...

A 1:25 scale model of a tractor trailer is 0.4 ft tall, 0,3 ft wide, and 1.5 ft long. What are the dimensions of the actualt trailer

Four brothers in one family have a combined age of 39 years. Alan is three times Colin's age, Bill is 6 years younger than Alan and Don is a quarter of Bill's age. How...

On their vacation, the Reikos spent 1/4 of their money on gas, 1/4 on food and lodging, and 1/8 on tourist attractions. What fractiib of their money did they spend? If they started with $840, hoe...

If a car travels 12.5 km on 1L of gasoline, how many litres of gasoline does it use when it travels 100 km?

Rationalize the denominator, leaving the result in radical form (please solve all): A) (2 + √3) / (3 - √4) B) (4 - √2x) / (7 + √3x) /...

Perform the indicated operations, rationalizing the denominator (solve all please): A) {(√3)/(√6 - 1)} - {(√3)/(√6 + 1)} B) 3√2x {(1/√x + 2) + (2/(√x+...

CAn someone help me

Suppose IQ scores were obtained from randomly selected twins. For 20 such pairs of people, the linear correlation coefficient is 0.933 and the equation of the regression line is y=−3.47+1.03x,...

Hello, Please help if you can. How do you solve these 4 (not the answers, just how to solve step by step ) thanks. 1. Calculate the future value at the end of twenty-five years of...

There were 200 tickets sold for a volleyball game. Tickets for students were $2 each and for adults were $3 each. The total amount collected was $530. How many of each type of ticket were sold?