Answer:
-9+5=-4
Step-by-step explanation:
a negative times a negative is always a positive.
Answer:
Step-by-step explanation:
if the ratio is 8:11 then 40:x
Cross multiply
8 40
11 x
8x=440
And divide by 8
x=55. She has 55 books
Answer:
2/4. I.e multiplying both denominator and numerator by 2
Step-by-step explanation:
Answer:
$55
Step-by-step explanation:
its $150 - $40 = $110
$110 / 2 = $55