exam Maths Puzzle Numerical Ability

can you please show me how to solve 2y to the second=25y+13

can you please show me how to solve 10u to the third-5u to the second=0

Read Solution (Total 0)

exam Other Question

add or substitute this problem I do not know how or which to do Can you help? 10x+2y=7 y=5x+3 There are 5 girls and 5 boys in a class. What is the probability that the first 2 students to walk into the classroom will be girls?

A. 2/9
B. 1/3
C. 4/9
D. 5/9