TACHS Math : Solving multi-step problems

Study concepts, example questions & explanations for TACHS Math

varsity tutors app store varsity tutors android store

Example Questions

Example Question #1 :Word Problems

The first 60 miles of a 100-mile trip took one hour; the whole trip took two hours and fifteen minutes. To the nearest whole, what was the average speed during the remaining 40 miles of the trip?

Possible Answers:

32 miles per hour

36 miles per hour

50 miles per hour

40 miles per hour

Correct answer:

32 miles per hour

Explanation:

The average speed during a trip ofmiles over a period ofhours ismiles per hour. Here, the distance driven is 40 miles; the time it took was two hours and fifteen minutes total minus the hour for the first 40 miles, which is one hour and fifteen minutes. Since fifteen minutes is equal to

hours, we get

and

Therefore, the average speed traveled during the second part of the trip is

miles per hour.

Example Question #1 :Solving Multi Step Problems

Jeremy haspieces of candy. Maggie has half as many pieces of candy as Jeremy has, and Harold has twice as many pieces of candy as Jeremy and Maggie combined. How many pieces of candy does Harold have?

Possible Answers:

Correct answer:

Explanation:

Start by finding how many pieces of candy Maggie has. Since she has half as many as Jeremy, she must have碎片。然后,杰里米和玛吉pieces of candy together. Since Harold has twice as many as the two of them together, Harold must havepieces of candy.

Example Question #1 :Word Problems

Taylor isyears old. Her father is three times her age. Her mother is two years older than her father. What is the sum of the ages of Taylor, her father, and her mother?

Possible Answers:

Correct answer:

Explanation:

Start by multiplying Taylor's age byto find her father's age.

Her father must beyears old. Since her mother is two years older than her father, her mother must beyears old.

Now, add up all their ages to find the sum of their ages.

Example Question #2 :Solving Multi Step Problems

When Steve started his diet, he weighedpounds. After the first month, he lostof his weight. In his second month, he lostof the remaining weight. How many pounds does Steve weigh now?

Possible Answers:

Correct answer:

Explanation:

Start by finding how much weight Steve lost after the first month. Since he lostof his starting weight of, he must have lostpounds.

This means that at the end of his first month, he weighedpounds.

Since he lostof his remaining weight in the second month, he must have lostpounds from hispounds.

Thus, Steve must weighpounds now.

Example Question #1 :Solving Multi Step Problems

A school library uses shelves that can holdbooks. If they haveshelves that are completely full and one shelf that is onlyfull, how many books does the library have?

Possible Answers:

Correct answer:

Explanation:

Start by finding out how many books thefull shelves can hold by multiplying it by the number of books held per shelf.

Next, find out how many books are held by the shelf that is not completely full.

Now, add the two together to find how many books total are in the library.

Learning Tools by Varsity Tutors