Agardener is estimating the amount of mulch needed for two garden beds. there is no room to store extra mulch. is it better to estimate a greater or lesser amount than the mulch he needs? why?

Greater, of course. Look -- Let's say your mom is making you and her spaghetti for dinner. She's not going to make exactly the right amount for both of you to eat. She'll probably make a bit more. What do you do? You save it for leftovers. So, is it better for your mom to make too much food, or too little, and you not have enough to eat? Obviously, too much, because you can keep it for later.

Same with the garden. If you don't have enough, then you can't fill it all in. But if you have too much, then you can keep the extra.

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