10% of Glen's coins are from Denmark. If he has 11 coins from Denmark, how many coins does Glen have in his entire collection?

What does x = in this equation x+3+2x=x+5

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?