Question

1. find the length of each side of the triangle if its perimeter is 22 ft.
2. a rectangular goat pasture has a perimeter of 200 m. if it is 25 m wide, what is its length?
3. daniel received scores of 82, 87, and 75 on his first 3 tests. what score does he need on his final test for his average test score to be 80?
4. given annies practice time for monday through thursday, how long does she need to practice on friday to average 45 min per day over these 5 days?
5. the dicksons drove for 6 hr at 55 mi/hr on the first day of their 570 mi trip. how many hours do they need to drive on the second day of their trip if they drive an average of 60 mi/hr on the second day?
6. jacques ran at 880 ft/min for the first 10 min of the 3 mi race before slowing his pace to finish the race with a total time of 20 min. what was his pace (in feet per minute) for the second part of the race? (1 mi = 5280 ft)
7. the 80 eighth graders took a trip to washington, dc. the boys numbered 16 fewer than twice the number of girls. how many of the eighth graders are girls?
8. mr. jansen budgeted $425 for clothes. if he buys a new suit for $290 and a tie for $30, how many shirts can he buy at $35 each?
9. ted makes $18/hr painting houses and $12/hr power - washing houses. if he painted for 27 hr last week and made a total of $738, how many hours did he spend power - washing?
10. tickets to a high - school play were $5 for adults and $2 for students. how many students attended the play if twice as many adults as students attended and ticket receipts totaled $960?
11. mr. mccall enclosed a rectangular dog run with 220 ft of fencing. if the length is 50 ft more than twice the width, what are the dimensions of the rectangle?
12. the two equal legs of an isosceles triangle are 5 cm less than three times the length of the base. if the triangles perimeter is 60 cm, how long is each side?
13. elisabeth and heather spent a total of 54 min to complete a puzzle, and elisabeth worked 12 min less than twice as long as heather. who spent more time working on the puzzle, and by how much?
14. the rogers family traveled up the river at 15 mi/hr. to reach their campsite 90 mi up the river, they traveled twice as long in the afternoon as they did in the morning. how long did they travel in the morning?
15. bws essential question: many intelligent and educated people express surprise at how effectively our mathematical models describe the natural world. why should this reality not surprise a person who holds a biblical worldview?

Explanation:

Answer:

75 m
76
4 hr
664 ft/min
32
3
12 hr
Width: 20 ft, Length: 90 ft
Base: 10 cm, equal legs: 25 cm each
Elisabeth, by 6 min
2 hr