A farmer grows corn, tomatoes, and sunflowers on a 320-acre farm. This year, the farmer wants to plant twice as many acres of to matoes as acres of sunflowers. The farmer also wants to plant 40 more acres of corn than tomatoes. How many acres of each crop should the farmer plant?
2 answers:
tomatoes is 112 acres corn is 152 acres sunflower is 52
Set it up with variables; tomatoes=t, sunflowers=s, corn=c 320=t+s+c This year; t=2s c=t+40 so, replace 2s for t; c=2s+40 now we can put those factors in for 320=t+c+s 320= 2s+2s+40+s (SIMPLIFY)---> 320=5s+40----> 5s+280----> s=56 now incorporate the s value into the other equations. c=2s+40----> c=56(2)=40 ----> c=152 t=2s -----> t=2(56) ----> t=112 TOMATOES= 112 acres CORN= 152 acres SUNFLOWERS= 56 acres To check your work: 320=t+s+c ----> 320=112+156+56
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It may be 3. 10x+5y 5(2x)+5(y) 4. 20x-15 5. -6f-11 6. -24w+12x
Answer:
The value of the second expression is 14, so the expressions are equivalent.
Step-by-step explanation:
x=5
6+2(5)-2=
6+10-2=
16-2=
14
The other expression also came out to be 14, so they are equivalent.
Exact is 320 pi Approx is 1004.8