Answer:
23
Step-by-step explanation:
69 divided be 3
= 23
step 2
23 + 23 = 46 ( Alvin age)
step 3
69 -46= 23 Elga age
Answer:0.25
Step-by-step explanation: 4/16 can be simplified to 1/4. Think about it like quarters. You need 4 quarters to have one dollar. If you have one quarter it is equal to $0.25.
the answer would be a= -1
Use area formula (length x width)
42 x 25.5 = 1,071
Divide by total cost of wall paper
1,071/771.25 = $1.38 per square foot
