Answer:
tip: $7.50
total: $57.50
Step-by-step explanation:
you change the 15% into a decimal by moving the the decimal point 2 spots to the left so now you have .15
next do .15 * 50 to get 7.5, which is the tip
now to find the total, add 7.5 + 50 to get 57.5
Answer:
Davids brother has more then 7 hats
Step-by-step explanation:
because together they have 19 and david himself has 12. 19-12 equals 7 and the question states that have more then 19 hats together so we know his brother has to have 7 hats but we dont know how many more he has.
Answer:
819 of the animals are dogs.
Step-by-step explanation:
☆We can solve using proportion.
![\frac{7 \: dogs}{4 \: cats} = \frac{x}{468 \: cats} \\ \\ \frac{4x}{4} = \frac{3276}{4} \\ \\ x = 819](https://tex.z-dn.net/?f=%20%5Cfrac%7B7%20%5C%3A%20dogs%7D%7B4%20%5C%3A%20cats%7D%20%20%3D%20%20%5Cfrac%7Bx%7D%7B468%20%5C%3A%20cats%7D%20%20%5C%5C%20%20%5C%5C%20%20%5Cfrac%7B4x%7D%7B4%7D%20%20%3D%20%20%5Cfrac%7B3276%7D%7B4%7D%20%20%5C%5C%20%20%5C%5C%20x%20%3D%20819)
C = 75
Explanation: to get C alone you would to the inverse operation of 38 which would be subtraction. So subtract 38 from both sides and you get C=75