Five times a number, subtracted from four, is triple the number

x = 1/2

Step-by-step explanation:

4- 5x = 3x

4 = 8x

1/2 = x

1/2 or 0.5

Step-by-step explanation:

4 - 5x = 3x (add 5x to both sides)

4 = 8x (divide both sides by 8)

1/2 = x

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

step-by-step explanation:

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