The probability brenda will recieve a telemarketing call is 15%. if she gets 20 calls a day, how many can she expect to be telemarketing calls ?

3 telemarketing calls

Step-by-step explanation:

First convert 15% to a decimal:

.15

let x = number of calls

Build an expression

x(.15)

substitute our value for x (20 calls)

20(.15) = 3

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point