For every 20 grams of fat, 180 calories are added to a serving size of food. How many calories are added with 4 grams of fat?

36 Calories

Step-by-step explanation:

first find what is added with ONE gram of fat.

do that by dividing

180/20

=9

then multiply by 4

9*4

=36

:)

- "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."

step-by-step explanation:

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