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give examples of partitive proportion and give th solution

Sagot :

1.       Ned has a budget of $1200 for the allowance of his three kids. How much will Robb, Brandon, and Rickon get if the money was divided with a ratio of 3:4:5?Solution:
3x+4x+5x=1200                              3(100)= $300 for Robb
12x=1200                                          4(100)= $400 for Brandon
X=100                                                 5(100)= $500 for Rickon


2.       The ratio of two complementary angles is 5:4, find the larger angle.Remember that the sum of complementary angles is equal to 90°

thus,5x+4x=90                          5(10)= 50°9x=90                   
   The larger angle is equal to            50°x=10