Una bolsa en total contienes 21 frutas de las cuales algunas son peras y otras duraznos .si además sabemos que la cantidad de peras son que hay en la bolsa es 11 unidades más que la cantidad de duraznos¿cuántas peras y duraznos hay en la bolsa? usando el método de sustitución ​

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?