On the first day of camp 10/12 of the skaters where beginners. Of the beginners, 1/9 were girls. What fraction of the skaters were girls and beginners?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?