Answer:
22.2
Step-by-step explanation:
30 x .26
7.8
30 - 7.8
22.2
Answer:
17
Step-by-step explanation:
Step-by-step explanation:
6+[11-{10+2-(8×2+1-3×4)}]
6+[11-{10+2-(8×2+1-3×4)}]6+[11-{10+2-(12)}
6+[11-{10+2-(8×2+1-3×4)}]6+[11-{10+2-(12)} ]6+[11-[10+2-12}]
6+[11-{10+2-(8×2+1-3×4)}]6+[11-{10+2-(12)} ]6+[11-{10+2-12}]6+[11-{0}]
6+[11-0]
6+[11]
6+11
17 Ans.
She earns 20 dollars as a carpenter and 25 dollars as a blacksmith
b+c=30 hours since she works 30 hours a week
25b+20c=690 since she earns 690 dollar totally and earns 25 dollars an hour as a blacksmith and 20 dollars an hour as a carpenter
lets multiply b+c=30 by -20
-20b-20c=-600
if we substract that from
25b+20c=690
5b=90
b=18 she worked as a blacksmith for 18 hours
Answer:
option A
Step-by-step explanation:
goal is short one
