7th grade question**

7kg 3hg
5kg 7hg
+8kg 5hg
-----

Question

7th grade question**

7kg 3hg
 5kg 7hg
+8kg 5hg
-----

zarkam21 · Answer

@Hero

zarkam21 · Answer

is it 1.5kg so 21.5kg?

zarkam21 · Answer

The directions are to find the sum and then simplify

Hero · Answer

can I see the question as written from the original document or textbook?

Hero · Answer

Like a screenshot

Hero · Answer

Or photo upload

Hero · Answer

If you don't want to do upload it that's fine. I'm already busy with other work.

zarkam21 · Answer

attachment

Hero · Answer

21.5 kg is the correct simplification.

Hero · Answer

Hecto means hundred so 15 hectograms mean 1500 grams which is the same as 1kg + 5hg or 1kg + (1/2)kg

zarkam21 · Answer

18.25 for B

Hero · Answer

When in doubt, just translate it to actual numbers

Hero · Answer

7000 g + 5000g + 8000g + 1500g = 21,500g = 21.5kg

zarkam21 · Answer

Yeah im actually helpingmy little sister and she wont trust my opinion with answers when I expllain so... :/

Hero · Answer

It's totally okay to use references for these. But it is common knowledge that
3ft = 1yd 
12in = 1ft

Hero · Answer

So if you have to express everything in terms of yards, then first convert inches to feet. Then feet to yards.

zarkam21 · Answer

Yeah she just needs proof

zarkam21 · Answer

that it is right

Hero · Answer

Okay I get it. But there are plenty online resources you can use to verify your answers.

zarkam21 · Answer

Okay then....