HARRY WANTS TO BUY A NEW MAGIC WAND THAT COSTS 40 COINS. HOW MANY C...

Lớp 3 Toán ĐỀ THI TOÁN RSM VÀ IMC DÀNH CHO HỌC SINH LỚP 3 ĐẾN LỚP 8

3. Harry wants to buy a new magic wand that costs 40 coins. How many coins will Harry save if he buys this wand when it is on sale at 10% off?