Tony is in charge of the concession stand. he charges $4.00 for two hot dogs and two sodas. he charges $4.50 for three hot dogs and one soda. how much does tony charge per hot dog? how much per soda? -$1.00 per hotdog; $0.50 per soda -$1.25 per hotdog; $0.75 per soda -$1.50 per hotdog; $0.75 per soda -$2.00 per hotdog; $1.00 per soda

2h + 2s = 4
3h + s = 4.5multiply by -2

2h + 2s = 4
-6h - 2s = - 9 (result of multiplying by -2)

-4h = - 5
h = -5/-4
h = 1.25 <== each hot dog costs $ 1.25

3h + s = 4.5
3(1.25) + s = 4.5
3.75 + s = 4.5
s = 4.5 - 3.75
s = 0.75 <== each soda costs 0.75

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.