Answer: The constant of proportionality is 2.5
Step-by-step explanation: Divide 5 by 2 and it’ll give you the constant of proportionality.
Jim bought x iphones for seven coupons each and sold y android phones for 4 coupons each. He got 20 coupons.
Julia bought the same number iphones for 3 coupons each and bought the same number Android phones for 4 coupons each. She got 20 coupons too. Please find quantity of iphones they will get and quantity of Android phones sold by Jim and got by Julia
{7x-4y=20
+
{3x+4y=20
10x=40
x=4
28-4y=20
4y=8
y=2
Answer
x=4; y=2
Jim and Julia bought 8 iphones and Jim sold 2 Android phones. Julia bought 2 Android phones.
There are 35 ways to get a sum of at least 3 when rolling 2 dice.
Out of the 36 possibilities, the only way to NOT have a sum of at least 3 is by rolling two 1's.
48/4 = 12
Mikhail’s age is 12 and Gabriel’s age is 36.
Answer:
Convert the decimal to a percentage by multiplying the decimal by
100
.
Step-by-step explanation: