The St. Augustine Church will celebrate its Foundation Day. One of the events during The Choir the celebration is a competition of choir. A choir should compose of the following members of each group: Sopranos: 42 + 18; Altos: (25 + 3 x 15) and Tenors: [27 + 42] - 5. How many members of the choir are there? Understand. a. What is asked? b. What are given? Plan. Solve. Check:

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."

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step-by-step explanation:

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step-by-step explanation: