Jack can read 45 pages of his book in one and a half hours, At that rate, long will it take him to read the entire 300- page book?

answer

600minutes = 10hours

Step-by-step explanation:

• Convert 1 and half hour to minutes and it becomes 90minutes.

• divide 300pages by 45pages and multiply by 90minutes.

•Then convert 600minutes to hours.

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3.4 pizzas

step-by-step explanation:

given is a scatter plot showing number of pizzas sold during weeks for different issues of coupon

y represents number of pizzas sold and x number of coupons issued

y is marked verticaly and x horizontally

the trend line is given as

y =3.4x+43

this says that even when no coupon is issued pizzas sold will be 43

and rate of change of pizza sold for 1 unit of coupon = slope = 3.4

i.e. when x increases by 1 unit y increases by 3.4 units

hence for each additional coupon issued 3.4 pizzas more will be sold

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