Jill has $9.96 in nickels, pennies, and dollar bills in her bank. if she has 12 more pennies than nickels and 5 less dollar bills than nickels, how many of each does she have.
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Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

If 25% of y is 30, what is 60% of y?

The square root of 9x plus 7 plus the square rot of 2x equall to 7