Answer:
x=-4 and y=4
Step-by-step explanation:
(6x+9y)-(6x+7y)=12-4=8
--> 9y-7y=8
-->2y=8-->y=4
-->6x+7×4=4 -->x=-4
Answer:
15%?
Step-by-step explanation:
sorry if im wrong
Answer
It is $180
Step-by-step explanation:
You do 450 times 40% and you get $180
Answer:750 grams
Step-by-step explanation:
25*30=250 grams after 30 days
