1.2:50= 4:n
2.40:2 = n:8
3. 5:n = 4:20
4. n:20 = 10:10
5. 15:40 = n:50

Cd is 10 cm long. how far is cdfrom the center if the length of theradius is.1. 13cm. 5. 12 cm2. 7 cm 6. 10 cm3. 14 cm 7. 5.9 cm4. 8 cm. 8. 36 cm​

Give the mathematical symbols. 7. the total fare of m passenger of a tricycle at p0.45 per passenger is p13.50 8. the sum of the twice product of 3a and the square of b, and the difference of thrice x and 20 is 245. 9. seventy fve equals the product of negative 5 and the cube of x, plus forty six. 10. add 25 to the quotient of 2m and 4n to get 12 times m.

With the start of school year, our store is planning on having a sale on school materials. we have 400 notebooks, 300 folders and 200 pens in stock, and we plan on packing it in two different forms. in the first package, there will be 2 notebooks, 1 folder and 2 pens, and in the second one, 3 notebooks, 1 folder and 1 pen. the price of each package will be php200 and php300 respectively. how many packages should we put together of each type to obtain the maximum benefit? ​