iBrain
16.04.2021 •
Mathematics
Plzz help mee!! i only have one point left.
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Ответ:
answer is 2
Step-by-step explanation:
Ответ:
2
Step-by-step explanation:
Ответ:
Cost of 1 hamburger = $1.3
Step-by-step explanation:
Assume;
Cost of 1 hamburger = a
Cost of 1 French fries = b
On first trip
3a + 4b = 7.10eq1
On second trip
2a + b = 3.40eq2
From eq2 x 4
8a + 4b = 13.6eq3
From eq3 - eq1
5a = 6.5
a = 1.3
Cost of 1 hamburger = $1.3