20. 1:6 is the simplest form of what ratio? a. 20:60 b. 30:180 c. 10:60 d. 40:60

21 Lita bought 15 pens for P310,7 red pen and 8 black pens. What is the ratio of red pens to black pens? a. 7:8 b. 8:7 c. 15:310 d. 310:15

22. A car travelled with a speed of 110 km per hour and a bus travelled with speed of 220 km.per hour. How do you write the the ratio of speed of bus to car? a. 110:220 b. 220:110 c. 11:220 d. 22:110

23. Three cones of ice cream sell for P45 while 15 cones of ice cream cost P135.Express the ratio the amount of 3 cones of icecream to 15 cones in simplest form. a. 3:15 b.3:5 c.1:3 d.3:1

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