Answer:
the answer of y=-1×1+4 is y=3
Go to Math Papa that'll give you the answers with the work shown and explanations.
D = k + 20
j = 3k - 120
d = j
k + 20 = 3k - 120
20 + 120 = 3k - k
140 = 2k
140/2 = k
70 = k.....so Katie weighs 70 lbs
David and Johnathan each weigh 90 lbs
In 15 days she will run and swim on the same day again.
Answer:
The answer is Yes, because the price is 3 times the number of pudding cups
Step-by-step explanation: