标签:---100 - 澳大利亚华人论坛

小学教育

请教两道数学题---100 Mini Exams

1. Each week I receive $23 pocket money. I save all but $5 of it in order to buy a skateboard. The skateboard costs $169. How much will I still have to save after 7 weeks? 2. A girl has a job mowing a golf course. She hires a mower for $230...澳洲华人论坛