Acoin contains 9 grams of nickel and 16 grand of copper for a total weight of 25 grams what if the percentages the metal in coins is copper

64%

Step-by-step explanation:

Given : A coin contains 9 grams of nickel and 16 grams of copper for a total weight of 25 grams .

i.e. Total weight of coin = 25 grams

weight of copper in a coin = 16 grams

Then , the percentages the metal in coins is copper is given by :-

Hence, the percentages the metal in coins is copper = 64%

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints