Linear systems word problems Quiz Welcome to your Linear systems word problems QuizPlease enter your email and click "Next" Email Solve the problemWhen you reverse the digits in a two-digit number you increase the value of the number by 54. What is the number if the sum of its digits is 10?144528HintSolve the problemJane has $300 made up of $5 bills and $10 bills. There are 3 more $10 bills than $5bills. Find the number of $5 bills.18 five dollar bills10 five dollar bills30 five dollar billsHintSolve the problemRoger spent 2 h more travelling by train than he did by bus. The train averaged 70 km/h and the bus 50 km/h. The total distance travelled was 740 km. How far did he travel by bus?50 km250 km740 kmSolve the problemA chemist needs to make 10 L of 42% sulphuric acid solution. The acid solutions are sold as 30% and50% solutions. How many liters of each solution must be mixed together to make the 42% solution?4 L of 30%, 6 L of 50%5 L of 30%, 5 L of 50%6 L of 30%, 4 L of 50%HintSolve the problemMaya is three times older than her dog. Four years ago, she was seven times older. How old is Maya’s dog?16 years old6 months old6 years oldTime is Up!