I think it's $0.90 because 6% of 15 is 0.9
First one
remember
a/b=c/d also can be written as
ad=bc
so
first one can be rewritten as
3x=96
divide both sides by 3
x=32
2nd ones we can just times both sides by 5 to get
x=50/12
3rd one we times 12 both sides to get
x=8
4th one we translate to
4x=63
divide by 4
x=63/4
5th one we translate to
99=5x
divide by 5
99/5=x
6th one we times 21 both sides
6=x
7th one we times both sides by 16
14=x
last one we translate to
45=3x
divide 3
15=x
Answer:
a) Peter:$400
b) John received more than Peter
Step-by-step explanation:
john:Jane:Peter:James
7:1/4(0.25):5:8
7+0.25+5+8 = 20.25
Jane
$1,800 × 0.25 ÷ 20.25 =$200
$1,800 - $200 = $1,600
20.25 - 0.25 = 20
Peter
$1600×5÷20= $400
John
$1600×7÷20=$560
Answer:
He is 7 decades old.
Step-by-step explanation: