What quantity could go into the blank to make the equation a true statement? 5a + a + ___ = 10a

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.