Answer:14
Step-by-step explanation:
A nickel is 5 cents (20% of dollar)
and a quarter is 25 cents (25% of dollar)
We have given a pile of 42 coins worth of $4.90
Let x be the no nickels and
y be the no of quarter
therefore
x+y=42 -----1
+
=4.90 ---2
Solving 
we get
x=14 & y=28
Therefore no of nickels is 14 & no of quarters is 28
Answer:
160
Step-by-step explanation:
n : d : s
8 : 12 : 20
davina = 48 sweets
48/12 = 4
8 + 12 + 20 = 40
40 x 4 = 160 sweets total
Answer:
A
Step-by-step explanation:
Imagine folding the graph in half on the x-axis and tracing the shape on the other side.
Ps. x-axis is horizontal (left-right), y-axis is vertical (up-down)
Answer:
54 - 10y
Step-by-step explanation:
Distribute each of the 3 parenthesis
= 12y + 24 - 32y + 32 - 10y - 2 ← collect like terms
= 54 - 10y
Answer:
37 miles an hour
Step-by-step explanation:
you set up a ratio
100/62 on left 60/x on right
cross mult and get 100x=60(62)
100x=3720
x= 37.2
