To make one cheese sandwich , tina uses one bread roll and two cheese slices. she is going to buy enough packs to have exactly twice as many cheese slice as bread rolls make more than 100 cheese sandwiches. work out the least amount she can spend

5 pm

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i use my brain for prombles like this maybe you could try it

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the above table 1 will calculate the population size (n) after a certain length of time (t). all you need to do is plug in the initial population number (no), the growth rate (r) and the length of time (t). the constant (e) is already entered into the equation. it stands for the base of the natural logarithms (approximately 2.71828). growth rate (r) and time (t) must be expressed in the same unit of time, such as years, days, hours or minutes. for humans, population growth rate is based on one year. if a population of people grew from 1000 to 1040 in one year, then the percent increase or annual growth rate is 40/1000 x 100 = 4 percent.

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1350 hats

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divide 900 by 2 to find 50% or half of 900

900/2=450

add 450 to 900

1350