63.5k views
0 votes
Brody wants to build a model ship. He has already saved $30 for the materials and plans. The materials cost $24.89 and the plans cost $8.29. Brody says he has to save $5.11 more to pay for the materials and plans. Which explanation explains whether Brody is correct or not?

A .Brody is not correct. Estimation: 24.89 – 8.29 is about 17. $30 – $17 = $13. Brody needs to save about $13 more.

B. Brody is not correct. Estimation: 24.89 + 8.29 is about 33. $33 – $30 = $3. Brody needs to save about $3 more.

C. Brody is correct. Estimation: 30.00 – 8.29 is about 22. $22 + $25 = $47. Brody needs to save about $47 more. Assessment navigation

1 Answer

4 votes

Answer:

B

Explanation:

24.89 can be rounded up to 25, while 8.29 can be rounded down to 8. Adding these together gives 33, meaning that Brody needs to save about another $3. Hope this helps!

User AAryan
by
5.3k points