I’ve never considered myself a math whiz, but my child’s Year 1 homework has me stumped. How is the answer 30? Any help for me and my little one would be appreciated!

I’ve never considered myself a math whiz, but my child’s Year 1 homework has me stumped. How is the answer 30? Any help for me and my little one would be appreciated!
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I’d be happy to help! If you can share the specific math problem or question from your child’s Year 1 homework, I can explain how to work through it and arrive at the answer of 30. Just let me know the details, and we can figure it out together!