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1. janice works 8 hours per day on fridays and saturdays each week. she earns $9.70 per hour. what is her gross pay in a week?

2. lenny worked 7 hours on wednesday, 6 hours on thursday, and 9 hours on friday. his gross pay for all three days was $196.90. what was his hourly rate?

3. cherie works at an hourly rate of $11.28 per hour worked 46 hours last week. she works overtime for hours exceeding 40 hours in a week. she is paid overtime at a rate of time and a half. what was her gross pay last week?

4. paul received a $15 tip on a meal that cost $120. what percent of the meal cost was the tip?

5. carly earns a weekly salary of $720 plus 4% commission. last week, she sold $3250 worth of products. what was her gross pay?

1 .Fridays and Saturdays, she works 16 hours

16 x $9.70  = $155.20
her gross pay in a week: $155.20

2.  7 hours on Wednesday, 6 hours on Thursday, and 9 hours on Friday. His gross pay for all three days was $196.90
7 + 6 + 9 = 22
196.90 / 22 = $8.95
his hourly rate was $8.95

3.hourly rate of $11.28 per hour worked 46 hours last week. She works overtime for hours exceeding 40 hours in a week. She is paid overtime at a rate of time and a half. What was her gross pay last week?

$11.28 x 40 = $451.20 ---normal 40 hours paid

46 - 40 = 6 (6 hours over time)

11.28 + 11.28/ 2 = $16.92 (overtime pays a rate of time and a half)

6 * $16.92 = $101.52

$451.20(40hours) +  $101.52(6hours overtime) = $552.72

her gross pay last week was $552.72

4. Paul received a $15 tip on a meal that cost $120. What percent of the meal cost was the tip?

15 / 120 = .125
.125 * 100 = 12.5%

percent of the meal cost was the tip was 12.5%

5. Carly earns a weekly salary of $720 plus 4% commission. Last week, she sold $3250 worth of products. What was her gross pay?

4% = .04
$3,250  * .04 = $130 (commission on sold products)

$720  + $ 130 = $850
 her gross pay was $850

3x+9+4x+x=8x+9that's the answer for your question.