Sven purchases 2 pencils and 3 pens for $7.75. Ekha purchases 3 pens and 1 pencil for $6.50. They write the following system of equations to find the cost of one pen (x) and one pencil (y). 2x+3y=7.75 3x + = 6.50 There is an error in one of the equations. Which of the following options corrects the error? 4. A QUESTIONS The first equation should be 3x +2y=6.50. The second equation should be 3x ty=7.75 The first equation should be 3x +2y=7.75. The second equation should be X +3y=6.50.​

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?