jennsou
30.11.2020 •
Mathematics
Which should be the first step in solving the equation 1.2 w minus 3.8 = 12.4? Add 3.8 to both sides of the equation. Subtract 1.2 from both sides of the equation. Multiply both sides of the equation by 1.2. Divide both sides of the equation by 3.8.
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Ответ:
Add 3.8 to both sides of the equation.
Step-by-step explanation:
12w−3.8=12.4
Add 3.8 to both sides.
12w=12.4+3.8
Add 12.4 and 3.8 to get 16.2.
12w=16.2
Divide both sides by 12.
w= 12/16.2
Expand 12/16.2 by multiplying both numerator and the denominator by 10.
w= 162/120
Reduce the fraction 162/120 to lowest terms by extracting and canceling out 6.
w= 27/20 also equal to 1.35
Ответ:
He has to pay $ 2.76 for the yogurt.
Step-by-step explanation:
Given data
Cost of each ounce = $ 0.24
Vanilla yogurt = 6.5 ounces
Strawberry yogurt = 5 ounces
Total ounces = 6.5 + 5 = 11.5 ounces
Now Total cost of yogurt = 11.5 × 0.24
Now Total cost of yogurt = $ 2.76
Therefore he has to pay $ 2.76 for the yogurt.