309,099,990 in word form

4 plus 9/16yifb, fsgjjsvni

A Restaurant hostess is paid $50 plus 10% of the waitstaff's tips for each night she works. If y represents her pay each night and x represents the waitstaff's tips, which equation models this relationship?

Maria takes 25% of $26.50 and subtracts that amount from the normal price. She takes 10% of the discounted selling price and adds it back to find the purchase amount

Sophie ruth is eating a 50-gram chocolate bar which contains 30% cocoa how many grams of cocoa is in the chocolate bar?

Determine the number of solutions of each system of equations x+y=6 x+2y=6

98, 78, 84, 75, 91 What is the mean absolute deviation of his scores?

Write the sum as a mixed number with the fractional part less for 3 3/4 + 1 2/4

What is the percent of 3/14

A 7th grader student chooses a random sample of 50 out of 400 students. He finds that 7 students have traveled outside the United States. The student claims that over 50 of the 400 students have likely traveled outside the United States.

If the car spends 2.5 hours going 35 miles per hour on the trip, how long does it spend going 35 miles per hours