When factoring by grouping we need a common factor

If 20% of a number is 35, what is 50% of that number?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the