Answer:
-36
Step-by-step explanation:
‐13−23= ‐13 + (-23) = -36
Both 13 and 23 have negative sign. So if two numbers have the same sign, we have to add and put the same sign.
Let x is the <span>unknown number
</span><span>quotient of an unknown number and 12 : x/12
</span><span>49 more than the quotient of an unknown number and 12 : x/12 + 49
so equation:
</span>x/12 + 49 = 53
Answer: 7.2 $ will be needed to get 6 Euros.
Step-by-step explanation:
Given : 3$ could be exchanged for 2.5 euros
That means :
To get 2.5 euros , dollars needed are = 3$
By using Unitary method:
To get 1 euro , dollars needed are =
$
To get 6 euros , dollars needed are =
$
Thus 7.2 $ will be needed to get 6 Euros.