Answer:
3
Step-by-step explanation:
A 6-inch piece of string can be cut into 12 pieces that are 1/2 inch each. If Lee needs 15 pieces, she needs 3 more.
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Each inch is divided into 2 pieces. That's what 1/2 inch means. 6×2 = 12.
Answer:
![\large\boxed{n=\dfrac{4.6}{x}}](https://tex.z-dn.net/?f=%5Clarge%5Cboxed%7Bn%3D%5Cdfrac%7B4.6%7D%7Bx%7D%7D)
Step-by-step explanation:
![nx-5=-0.4\qquad\text{add 5 to both sides}\\\\nx-5+5=-0.4+5\\\\nx=4.6\qquad\text{divide both sides by}\ x\neq0\\\\\dfrac{nx}{x}=\dfrac{4.6}{x}\\\\n=\dfrac{4.6}{x}](https://tex.z-dn.net/?f=nx-5%3D-0.4%5Cqquad%5Ctext%7Badd%205%20to%20both%20sides%7D%5C%5C%5C%5Cnx-5%2B5%3D-0.4%2B5%5C%5C%5C%5Cnx%3D4.6%5Cqquad%5Ctext%7Bdivide%20both%20sides%20by%7D%5C%20x%5Cneq0%5C%5C%5C%5C%5Cdfrac%7Bnx%7D%7Bx%7D%3D%5Cdfrac%7B4.6%7D%7Bx%7D%5C%5C%5C%5Cn%3D%5Cdfrac%7B4.6%7D%7Bx%7D)
Step-by-step explanation:
the total answer may be rs. 625 in his account