If the price of apple goes down by 10%, find the percentage increase that a family should effect in its consumption so as not to decrease expenditure on this account? a) 13 (1/9)% b) 15 (1/9)% c) 11 (1/9)% d) 10 (1/9)%

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.