Mathematics
Grade-7
Easy
Question
The product of two numbers is
. If one of the numbers is 4, the second number is _________.
Hint:
Assume the other number be X and then use the multiplication formula to solve the question.
The correct answer is: ![negative 5 over 9](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAB8AAAAjCAYAAABsFtHvAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAABGJhU0UAAAAXQ/cXWQAAAP1JREFUeNpjYKAe+I8H0xzQxZJRywed5b+A+BMQbwPiIiDmobcjWIDYGIhrgfgGEGsMVGi4AfHBgYyOHwNlsQ4Q36WHReuA2BKImaDYA2pxED0sDwXiW0D8B4jfAfEqIDZlGAWjYDCC/0RgcvQMSONiFIwCmgN7ID4MrUa/AfEaIFaiV8PhCrQyYYK2aJKhrRlxWlt+BocvQbVdF60t/4NDHBQK52ht+V1owxEdyEPjn+aNifvQRAdrzfhAff2LXql9PzS1/4C2ZlTo4XNcgAOITw6U5Y5A3DxQlrcCsTStLdkLbSazQfnS0C6THz186AJNbH+gncXlQKyHTwMAgldNappvD2sAAABzdEVYdE1hdGhNTAA8bWF0aCB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMTk5OC9NYXRoL01hdGhNTCI+PG1vPiYjeDIyMTI7PC9tbz48bWZyYWM+PG1uPjU8L21uPjxtbj45PC9tbj48L21mcmFjPjwvbWF0aD6GScAhAAAAAElFTkSuQmCC)
STEP BY STEP SOLUTION
Let the first number be = X
Second number = 4
Product = ![negative 20 over 9](data:image/png;base64,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)
Product = first number × second number
X = ![negative 20 over 9 space cross times space 1 fourth space equals space fraction numerator negative 20 space cross times space 1 over denominator 9 space cross times space 4 end fraction space equals space minus 20 over 36 space equals space minus 5 over 9](data:image/png;base64,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)
The other number = ![negative 5 over 9](data:image/png;base64,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)
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