1TH/vwo §9.5 challenging exercise = C10, p.113)

• Wiskunde
• Middelbare school
• vwo
• Leerjaar 1

Think hard about this Task!

The good equation is:

1. 2g+39=871
2. 2g-39=871

Let's discuss which formula is the good one and why.

Can somebody explain it?!

SOLUTION :

Did you see this Task before?
If so, where?

Now make question b in your Notebook.

answer question b is ....

1. 454 girls and 415 boys
2. 455. girls and 416 boys
3. 456 girls and 417 boys
4. 457 girls and 418 boys

Let's discuss Task b together.

How to Calculate the number of girls and boys?

Solution question b: