Sagot :
Answer:
4. Express to algebraic expression: Eighteen less than half a number,
1/2x - 18
5. Determine the constant in the algebraic expression (-3 (min)
-3
6. Translate the word phrase into algebraic expression. Six more than twice a number
c. 2a + 6
7. If a car travels 100 kilometers in two hours find the average speed. (Note distance times speed)
= c. 50 km/h
8. Roy drives at an average of 45 mph on a journey of 135 miles. How long does the journey take?
= b. 3 hrs
9. Vincent's motorcycle's average speed on a motorcycle is 50 km/h. If he drives it in 4 hours, how far does he travel?
c. 200 km
10. Calculate the distance that you would travel if you drove 2 hour at 30 km/h
a. 60 km
11. Marvin took 5 hour bicycle trip. In all, he travelled 120 kilometers. What was his average rate ofspeed?
24 km
12. How long does it take to travel 250 km at 50 km per hour?
b. 5 hrs
13. A kite is flying at an altitude of m meters Express algebraically its new altitude after rising for 25 meters
c. m + 25
14. Translate the following word phrase into algebraic expression "Seven subtracted from k"
c. k - 7
15. Translate into algebraic equation: Twice the sum of a number and two is twenty-two
2(C + 2) = 22
16. A car travels 200 kilometers in 8 hours. Calculate the average speed of the car in kilometres per hour?
a. 25 km/h
17. Adrian travels from Lucena City to Manila every Saturday to visit his mother. The trip takes 3.5 hours and he usually travels at an average rate of 64 km/h. How many kilometers does Adrian travel from Lucena city to Manila?
C. 224 km
18. Roland weighed s kilograms. Express algebraically his weight after he gained 2.7 kilograms
b. s + 2.7
For Items number 19 and 20 write the problem in the box correctly in the space provided, and solve
19. How far are the two town? If it arrive in another town at 6.00 pm, An owner jeep traveling, left the town
at 2:00p.m, at an average of 70 km/h, If it arrived
19.
c. 280 km
20. How far are the two town?
280 km
Same question on 19 and 20? Btw, I'm not sure on item 19 (and 20 coz the question was cut) because the problem is not constructed properly,but I think it's right. The jeepney owner traveled for 4 hours and I multiplied it to the speed 70km/h. I got 280km.
Hope it helps!
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