You plant 300 grass seeds in your circular garden. If your garden has a diameter of 6 feet, how many grass seeds are there per square foot?

$450 i think. hope this ☺

we need to divide the number of toy dinosaurs, 156, by the number of brothers, 4:

in order to estimate, we can use compatible numbers:

156 ÷ 4

  ↓

160   ÷ 4 = 40        

the correct answer is a).