Question

1. A man whose income is 576 a year spends 432 a year. What percentage of his cute de
2. If 70% of the students in a school are boys and the number of girls is $40, find the number
the school?
An alloy consists of 13 parts of copper to 7 parts of zinc and 5 parts of nickel. What is the​

Answer 1

Answer:

Step-by-step explanation:

1.75%

2.28-boys

3.............