Maths Revision 0.0 / 5 ? MathematicsRatios and proportionsGCSEEdexcel Created by: raaaawCreated on: 21-09-18 19:55 IS A PART OF THE WHOLE TWO QUANTITIES ARE IN THIS IF ONE IS ALWAYS THE SAME MULTIPLE OF THE OTHER PROPORTIONS 1 of 10 COMPARES THE SIZE OF ONE QUANTITY WITH THE SIZE OF THE OTHER RATIO 2 of 10 DIVIDE BOTH BY COMMON FACTORS SIMPLY {RATIO} 3 of 10 THE RATIO OF THE LENGTH OF AN OBJECT IN A SCALE DRAWING TO THE LENGTH OF THE REAL OBJECT SCALE 4 of 10 AN ACCURATE DRAWING OF AN OBJECT TO A GIVEN SCALE SCALE DRAWING 5 of 10 A TYPE OF FRACTION IN WHICH THE VALUE GIVEN IS THE NUMBER OF PARTS IN EVERY HUNDRED PERCENTAGE 6 of 10 INTEREST THAT IS CALCULATED ON THE ORIGINAL AMOUNT ONLY AND NOT ON ANY EXTRA INTEREST THAT HAS BUILT UP SIMPLE INTEREST 7 of 10 AN INCREASE BY A PERCENTAGE OF THE ORIGINAL AMOUNT PERCENTAGE INCREASE 8 of 10 A DECREASE BY A PERCENTAGE OF THE ORIGINAL AMOUNT PERCENTAGE DECREASE 9 of 10 CALCULATING THE ORIGINAL AMOUNT FROM THE FINAL AMOUNT ADDED REVERSE PERCENTAGE PROBLEM 10 of 10

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