The french club is sponsoring a bake sale. if their goal is to raise at least $140, how many pastries must they sell at $3.50 each in order to meet that goal? write and solve an inequality.

40 pastries

Step-by-step explanation:

Number of pastries need to be sold = $140 / $3.50 = 40

Hope this help!

In this question, we are trying to find how many pastries they need to sell in order to meet the goal of making at least $140.

We know that:

With the information above, we can solve the question.

We would divide 140 by 3.50 in order to see how many pastries they at least need to sell to meet the goal.

This means that they have to sell 40 pastries to meet their goal of at least $140.

Write this as an inequality:

We would need to write this as an inequality.

We need to get at least $140.

So we would represent this with the "≤" symbol.

Lets make the inequality.

We would represent the inequality as y ≤ mx

y = Their goal

m = How much each pastry costs

We would plug 140 into y and 3.50 into x.

Your inequality should look like this:

140 ≤ 3.50x

To solve the inequality, you would just divide both sides by 3.50.

40 ≤ x

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of