Answer:
100
Step-by-step explanation:
Black keys 5 10 100
Total keys
Black keys + white keys = 12 24 240
A
b
x−c=0
Step 1: Multiply both sides by b.
ax−bc=0
Step 2: Add bc to both sides.
ax−bc+bc=0+bc
ax=bc
Step 3: Divide both sides by x.
ax
x
=
bc
x
a=
bc
x
Answer:
a=
bc
x
Answer:
yes
Step-by-step explanation:
Since he completes 10 minutes each day for five days, he completes 50 minutes.
The percentage of his total requirement would be 50/100 = 0.5 = 50%.
I think the answer is both x and y are positive
