Soluzione
Soluzione
Fasi della soluzione
Translate the problem into an equation
Solve the equation
Esempi popolari
the sum of the page numbers of two facing pages is 145. what are the page numbers?uncle lorenzo is 7 times a old as pipo. in 4 years, he will be 5 times as old as pipo. what will be uncle lorenzo's age next year?Sarah invested 53,000 in an account paying an interest rate of 4.5% compounded daily. Assuming no deposits or withdrawals are made, how long would it take, to the nearest tenth of a year, for the value of the account to reach 77,700?Sound travels through the air at 330 m/s and light travels at 300000km/s. calculate how far away a lightning flash occurred if the sound was hear 6.4 seconds after the lightning was seen.If 15 is subtracted from two times a certain number, the result is five times the number. Find the number.