Henry and Irene working together can wash all the windows of their house in 1 h 48 min. Working alone, it takes Henry 1.5 h more than Irene to do the job. How long does it take each person working alone to wash all the win-dows?

Khalil is training for a race by running everyday. The first day he runs 3 miles. Each subsequent days he runs 4/3 of the distance from the previous day. How many miles does he run on the fourth day?

It takes Manu twice as long to clean the pool as it takes Ander. If it takes Ander t hr to clean the pool, at what rate does Manu do the job?

Abby rows 10 km upstream and 10 km back in a total time of 3 hr. The speed of the river is 5 km>h. Find Abby’s speed in still water.   Rt = d

a whole Each freind get 1/18 Of Wh 5. Oscar's aunt lives 50 miles away. This is 6 times as far as Oscar's grandfather lives. How far away does Oscar's grandfather live? so SO 5. OScars Abuelo lives8113 miles awaye A banner has a length of 10 feet and an area of 7 square fe What is the width of the banner? Brady has three goldfish. This is times as many as Sam has. How many goldfish does Sam have? Lucy has hour to decorate a dozen cupcakes for a bake

Kenzee cat has a mass on f 4.2kg. The cat needs 0.224mg of medicine for each kilogram of its mass whwt is the total amout of medicine the cat need

Application: Solve and Check the following

While running, Justin wants to average 7 minutes per mile. He ran the first 1 mile in 7.4 minutes and has three more miles go. How fast does Justin need to run those last three miles to make his average of 7 minutes per mile? Round your answer to one decimal place.

Jett’s car gets about 30 miles to the gallon.  Suppose he drives about 15,000 miles each year and gas costs an average of $3.75 per gallon.  How much money will Jett spend on gas in a year?     $1,905     $1,875     $1,810     $1,750