Answer:
A proportion is simply a statement that two ratios are equal. It can be written in two ways: as two equal fractions a/b = c/d; or using a colon, a:b = c:d. The following proportion is read as "twenty is to twenty-five as four is to five.
The second one ..................................
To make one piece you need 1 paper core, 2 pieces of thick cardboard, 3 yarns, 3 felts, masking tape and some glue. First measure the circumference of the tube and cut a circle out using thick cardboard. Attach it to the base of the paper tube using tape and also add a piece of felt