In 9 through 16, estimate each sum or difference by replacing
each fraction with 0, , or 1.
9. 1/2 + 1/3 10. 1/2 + 2 5 7 11. 1 3 - 1 / 6 5
12. ? + 8-17
13. 1 - 7 3 1
14. 3 - 7
15. 78-17
16. & 2 + 2/3
00

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Right triangle xyz has a right angle at vertex y and a hypotenuse that measures 24 cm. angle zxy measures 70º. what is the length of line segment xy? round to the nearest tenth. 8.2 cm 8.7 cm 22.6 m 25.5 cm