Ravi had 123 apples. He gave 58 apples to his friend and later bought 90 apples. How many apples does Ravi have now?
Answer
155
The correct answer is 155 — Subtract the apples given: :\n- Units: cannot, borrow 1 from tens: ; tens becomes ;\n- Tens: cannot, borrow 1 from hundreds: ; hundreds becomes ;\n- Hundreds: . Result after giving: apples.\nAdd the apples bought: :\n- Units: ;\n- Tens: ; write and carry to hundreds;\n- Hundreds: (carry) .\nThe final count is apples.
Step-by-step solution
- Start with apples.
- Subtract the apples given: :\n- Units: cannot, borrow 1 from tens: ; tens becomes ;\n- Tens: cannot, borrow 1 from hundreds: ; hundreds becomes ;\n- Hundreds: . Result after giving: apples.\nAdd the apples bought: :\n- Units: ;\n- Tens: ; write and carry to hundreds;\n- Hundreds: (carry) .\nThe final count is apples.
Common mistake: Adding before subtracting or mishandling the borrow step
Concept tested: Sequential addition and subtraction with carrying
Published · How this solution was prepared and checked
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