Huw is paid a weekly wage. Every week he: saves

of his wage,

spends 70% of the money he has left on his living expenses,

spends all that remains on his social life.

One week, Huw saves £40.
How much does Huw spend on his social life?

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12