Hb=3.5, hd=2.25, hb+hd=7,
From the third, we can say hb=7-hd and we are told that:
3.5hb+2.25hd=19.5 using hb found above in this equation gives you:
3.5(7-hd)+2.25hd=19.5
24.5-3.5hd+2.25hd=19.5
-1.25hd=-5
hd=4
Carmen bought 4 hotdogs.
Wow… how is this a question? .-.
Answer:
9 cards.
Step-by-step explanation:
Given:
Yasmine needs to create invitations for the party.
She has ¾ of an hour to make the invitations.
It takes her 1/12 of an hour to make each card.
Question asked:
How many invitations can Yasmine create?
Solution:
Yasmine takes
hour create number of cards = 1
Yasmine takes 1 hour to create number of cards =
Yasmine takes
hour to create number of cards = 
Therefore, Yasmine can create 9 cards.
Answer:
D
Step-by-step explanation:
Answer:
691,255(0.985)t ≤ 621,859; t ≥ 7
Step-by-step explanation:
i just did it. it was C