# Photo egative

Negative dimensions are 36mm and 28mm. What will be the photo size in the 21:4 ratio?

Result

a =  18.9 cm
b =  14.7 cm

#### Solution:

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

#### To solve this example are needed these knowledge from mathematics:

Need help calculate sum, simplify or multiply fractions? Try our fraction calculator. Do you want to convert length units?

## Next similar examples:

1. Map 3
Map scale is M = 1: 25000 . Two cottages which are shown on the map are actually 15 km away. What is its distance on the map?
2. Zdeněk
Zdeněk picked up 15 l of water from a 100-liter full-water barrel. Write a fraction of what part of Zdeněk's water he picked.
3. In fractions
An ant climbs 2/5 of the pole on the first hour and climbs 1/4 of the pole on the next hour. What part of the pole does the ant climb in two hours?
4. Runners
For three runners (on the first to third place) is prepared 30 chocolate that they be distributed in the ratio of 3 : 2 : 1 How much chocolate will get everyone?
5. Andre
Andre, Thomas, and Ivan split 88 postage stamps in a 2:5:4 ratio. How much did Thomas get?
6. Building
At the building, we divided 240 boards into two piles in a 5: 3 ratio. How many were fewer boards in the lower pile?
7. Divide money
Divide 1200 USD at a ratio of 1:2:3:4:5:6:9:10
8. Fraction and a decimal
Write as a fraction and a decimal. One and two plus three and five hundredths
9. Lengths of the pool
Miguel swam 6 lengths of the pool. Mat swam 3 times as far as Miguel. Lionel swam 1/3 as far as Miguel. How many lengths did mat swim?
10. Cupcakes 2
Susi has 25 cupcakes. She gives 4/5. How much does she have left?
11. Teacher
Teacher Rem bought 360 pieces of cupcakes for the outreach program of their school. 5/9 of the cupcakes were chocolate flavor and 1/4 wete pandan flavor and the rest were vanilla flavor. How much more chocolate flavor cupcakes than vanilla flavor?
12. Mixed2improper
Write the mixed number as an improper fraction. 166 2/3
13. Write 2
Write 791 thousandths as fraction in expanded form.
14. Jose and Kaitlyn
Jose and Kaitlyn have a contest to see who can throw a baseball the farthest. Kaitlyn wins, with a throw of 200 ft. If Jose threw the ball 3/4 as far as Kaitlyn, how far did Jose throw the ball?
15. Fraction to decimal
Write the fraction 3/22 as a decimal.
16. Passenger boat
Two-fifths of the passengers in the passenger boat were boys. 1/3 of them were girls and the rest were adult. If there were 60 passengers in the boat, how many more boys than adult were there?
17. Customary length
Convert length 65yd 2 ft to ft