Answer:
7% of 78 is 5.46
Step-by-step explanation:
Given number = 78
We have to find 7% of 78 So:
= 7/100 * (78)
= 0.07 (78)
= 5.46
So 7% of 78 is 5.46
i hope it will help you!
Answer:
A new health drink has 130% of the recommended daily allowance (RDA) for a certain vitamin . The rad for this vitamin is 45 mg. How many ...
Step-by-step explanation:
System<span> of </span>equations<span> are independent, if 2nd </span>equation<span> is not multiplication of first</span>equation<span> by some </span>number<span> . ... </span>Simplify<span> the 2nd </span>equation: ... y - 2x = -7<span> ... If </span>you solve<span> the </span>equations<span>algebraically and </span>you<span> get a </span>solution<span> such as 5=5, then ... If </span>you use<span> either method and </span>end<span> up with a</span>statement<span> that's always true i hope this helps</span>
Let h shoes and s suit:
3s+h=47
7s+2h=107
substitution property:
3s=47-h
s=(47-h)/3
plug it into the other equation and solve for h:
7((47-h)/3)+2h=107
distribute 7 and multiply 3 on both sides:
329-7h+6h = 321
329-h=321
-h=-8
h=8 pair of shoes
s=(47-8)/3=13 suits