Choose Yes or No to tell if the fraction 3 5 35 will make each equation true. 7 20 + □ = 19 20 720+□=1920 No □ + 3 10 = 3 15 □+310=315 Choose... 1 2 + 2 3 = □ 12+23=□ Choose... 1 10 + 1 2 = □ 110+12=□ Choose...

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

Find the perimeter of the figure shown above. a. 18 yds c. 20 yds b. 10 yds d. 24 yds select the best answer from the choices provided

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?