dagurlonfleek dagurlonfleek

18-12-2017
Mathematics

contestada

A collection of 77 quarters and dimes is worth $12.50. How many quarters and dimes are there? Set it up plz

Respuesta :

jenises jenises

18-12-2017

So let's say quarters = x and dimes = y. You'd then put x + y = 77 (for a total of 77 coins). And your second equation would be .25x + .10y = 12.50 (.25 for the total value a quarter holds and .10 for a total value a dime holds). Then you'd do matrices on a calculator.

Answer Link

Otras preguntas

(4 ten thousands 8 hundreds) ÷ 10

Why did the Allies capture so few Japanese soldiers when they attacked Iwo Jima?

(6x5)x10 to the third power

WHAT IS AN EXAMPLE AND NON EXAMPLE FOR A CYTOPLASM

through (-2,5) slope=-4

Which statements describing how Renaissance ideas spread beyond Italy are true?Choose all answers that are correct. A. Pilgrims on their way to the Holy Land of

In comparing an oak tree with a maple tree, you can correctly say that A. Acorns are good to eat, while maple seeds aren't. B. Unlike oak roots, maple roots of

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. A rose plant homozygous for r

For geographers, the movement of higher-income residents and businesses into poor areas of inner cities is generally referred to as A. urban revitalization. B.

By tradition when does the presidential campaign begin ?