Heidi has 18 shirts
June has 4 shirts
Karen has 24 shirts
Check:
24+4+18=46
4 times 6= 24
We have the following:
1.
let x a tulips
let y daffodils
therefore:

solving:

for x:

Therefore, the answer is 5 tulips and 10 daffodils
2.
let x a 30% silver
let y a 55% silver

solving:

for x:

Therefore, the answer is 480 pounds of 30% silver and 320 pounds of 55% silver
72 ÷ 2= 36
36 × 4= 144
144 ÷ 3= 48
Answer: 20 tests
Step-by-step explanation: She does every test in 2 1/2 mins. So she can do 20 in 50 mins.
Answer:
4520 Fans
Step-by-step explanation:
1980
+ 2540
-------------
4520