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דוגמאות פופולריות
John is four times as old as Martha. Five years ago the sum of their ages was50. How old are they now?Ronan and Kelsey each think of a number.2 less than Ronan's number is equal to 4 lots of Kelsey's number3 lots of Ronan's number added to Kelsey's number is 97Using the information above, write and solve two simultaneous equations to work out Ronan and Kelsey's numbers.what is the probability of picking two kings when selecting 2 cards from a 52 card deck?eight less than the product of 9 and a number equals to 2Denise is going on a road trip with some friends. For the first leg of their trip, they drive on the highway for 2.5 hours before taking an exit. If they maintain a steady pace of 64 miles per hour, how far do they drive on the highway?